Ec certificate vs ce certificate. ng/6fyb/vintage-wohnzimmer-lampe.

Step 2: We carry out the conformity evaluation procedure and all required audits on your behalf. Sometimes, however, there is mention of an EC-certificate: supposedly, this is what's needed to sell medical devices in the EU. If you want to trade in the EU, CE-marking is a mandatory conformity mark required for a wide variety of products. #1. It is mandatory in order to place a medical device on the EU market, but it's only allowed once all the applicable requirements* have been met. The program is designed for individuals involved in collecting, analyzing, and disseminating threat intelligence information. Dec 21, 2020 · UKCA/UKNI/CE marking and PUWER compliance consultancy for machinery. Know the essential requirements for your product. Jul 8, 2021 · FCC: An Overview. Further, EU-type examination certificate is not required for all products that fall within the scope of the listed directives. EC also tends to provide significantly higher security. In a high-risk area, the developer or builder might have been required to get an Elevation Certification at the time of construction. Jan 24, 2019 · The main difference is that certificates of conformity are issued on the basis of Ukrainian regulations, whereas declarations of conformity are issued based on technical regulations, having been harmonized with or drafted by reference to European laws. CE Marking. Manufacturers must understand the specific requirements and implications of each certification when seeking global market access. Jul 22, 2016 · CE marking is the actual marking. The CE marking must be accompanied by the identification number of the notified body responsible for the surveillance as specified in section 4. Without a CoC, products may be impounded, confiscated, and in some case destroyed. Appoint an Authorized Representative (EC REP) in the EU and obtain a Single Registration Number (SRN) from the regulators via EUDAMED. This certificate includes clear product identification (name Nov 28, 2023 · Most IT professionals are required to renew their certification each year. Any party wishing to put products on the market within the European Union must make a declaration of conformity, if its product is covered by a corresponding Directive. It's issued by a Notified body upon For inquiries about BSI Kitemark, CE marking or product testing. The Federal Communications Commission (FCC) is an independent government agency in the United States that’s overseen by Congress. 00 Page 1 of 2 TÜV SÜD Product Service GmbH is Notified Body with identification no. The cost of product certification varies by directive and scheme. The CE Certificate is a document issued by a certification body, based on test reports. In addition, our flexible time-to-market Still, while the CE mark is less onerous to obtain, it is a less powerful certification. Totuși, înainte de a-l aplica, trebuie: să redactați și să semnați declarația UE de conformitate. Jan 14, 2023 · The new Regulation (EU) No. , the CE Mark is not optional in Europe—it’s legally required for products used in construction. CE-Certificate vs. CE marking is the visible symbol that a product complies with EU directives and/or regulations, while CE approval is not a recognised term but can refer to the activities and processes undertaken by manufacturers to achieve compliance and affix the CE mark. Before it can be put on the market, equipment must comply with Directive 2014/34/EU. Holger Plettenberg. Determine if you need third-party certification. The CE Certificate (Certificate of Compliance/Conformity) includes: name of the applicant and their address EU/EC Declaration of Conformity. Jul 6, 2020 · ATEX is an acronym for ATmosphères EXplosibles, a regulatory framework for the manufacture, sale and use of equipment in potentially explosive atmospheres in the EU. However, it can demand the notified body to do this. UKCA Made Simple half-day virtual classroom training course - £594 + VAT. G2S 044904 0051 Rev. Processes and certifications known Dec 20, 2016 · Dec 20, 2016. Call: 1 800 862 4977. Step 7. Assess product conformity. Since then, new IVDs and IVDs CE-marked under the former Directive 98/79/EC (IVDD) that do not qualify as “legacy” devices (according to the conditions in IVDR Article 110), can only be placed on the EU market if they are CE Chứng chỉ CE có ý nghĩa quan trọng trong lĩnh vực xuất nhập khẩu hiện nay, khi sản phẩm có chứng chỉ CE sẽ có rất nhiều sự thuận lợi: – Các sản phẩm mang dấu CE có nghĩa là sản phẩm đó đã được kiểm tra đánh giá trước khi được đưa ra thị trường, sản phẩm Ethical Hacking Essentials is an Introductory cybersecurity course that covers ethical hacking and penetration testing fundamentals. The RoHS Directive 2011/65/EU is part of the CE marking procedure. An EC certificate (not CE certificate) is one of the requirements that must be met before CE marking a class 2a or 2b device. 509 is just the format of the data. The certification also endorses that an individual knows how to implement and manage organizational security. 509 certificates. ai format) and submit it to your supplier, along with specifications detailing the print position and dimensions of the CE mark. CE Certification is required for all recreational boats entering or being sold in the European Union. Step 1: Our employees determine which directive are applicable to your product. Certificates include a public key and a signature from a certificate authority (CA). Number: 2014/35/EU Official Title of the Directive: DIRECTIVE 2014/35/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits. The manufacturer, or his authorized representative established within the Community, must affix the CE marking to each item of pressure equipment and draw up a written declaration of conformity. FEMA encourages communities to use the Elevation Certificate developed by FEMA to fulfill this requirement since Mar 18, 2021 · CE Marking is mandatory for almost all products that enter the EU marketplace. May 7, 2020 · This certificate is issued to the manufacturers of the medical devices that comply with the conformity assessment specified in chapter II of Annex IX of MDR. g. CE certification is a self-accreditation scheme to demonstrate the products comply with the respective European directives. The World’s Number 1 Ethical Hacking Certification. QMS brings a number of benefits and ensures that the essential Feb 27, 2024 · That said, certificates for highly specialized or on-demand skills can lead to very well-paying positions without the extensive cost required of a university degree. It denotes that a product has been thoroughly In TLS, all certificates are X. 2. The knowledge and skills learned in the CEH course are much more advanced and specialized in The EC declaration of conformity is the written statement and the a single declaration drawn up to demonstrate the fulfilment of the EU requirements relating to a product bearing the CE marking. Device Classes. Aug 8, 2023 · A CE certificate is a formal document issued by a Notified Body, a third-party organization certified by EU member states as an impartial third-party. It is applicable for all classes of medical devices that require notified body intervention for their CE Marking process. certifications, it means that the certification-holding manufacturer managed to produce a few modules of that type that passed a standard's (e. X. Maquet. 0123 . EC-type examination, performance of that examination and issue of the EC-type examination certificate shall be carried out in accordance with the procedures set out in Module B of Annex II to Decision 768/2008/EC of the European Parliament and of the Council. TÜV SÜD has been officially accepted by the European Testing Inspection Certification System (ETICS) to certify electrical products under the ENEC scheme, and to certify lighting products under the ENEC+ scheme. On the web, typically web sites have a server cert that is issued (signed) by Verisign or some other well-known CA. There are different categories of products that might require an EU-type examination. Step 4: Affix the CE mark and issue the Declaration of Conformity. The EU Declaration of Conformity must be issued before the product is placed on the market in Europe. Trademark/brand. Step 6. The letters are an acronym for Conformité Européene, which merely means European Conformity. 3 - ScopeWe opted to provide business. As you can imagine, a successful exam result results in an exam certificate. CE certification is obtained from Notified Bodies, organizations that are recognized by European states to conduct CE assessments On average, processing for ECC is about four times less CPU-intensive than for RSA. Additionally, EC cryptography enables Perfect Forward Secrecy (PFS) with significantly less overhead. Hands-On Learning With CyberQTM Labs. Aug 16, 2022 · Both certifications’ product markings include their certificate number; for ATEX this is the EU Type Examination Certificate number and for IECEx it is the Certificate of Conformity number. The term EC marking is generally not in use anymore. Enter at least 5 characters. Essentially, CE certification is Mar 7, 2024 · Nu aveți nevoie de o licență pentru a aplica marcajul CE. in . The VDE Certification Marks confirm compliance with harmonized standards and take their important role as competent proof of compliance with requirements of safety,qualityandEMC. Step 2: Assess the level of conformity and perform testing when necessary. Cite. In theory, this certificate is issued based on the issuing company Jan 30, 2024 · We work with businesses and individuals across the country, including in , to achieve compliance with FCC Part 15 and CE regulations. In addition, TÜV SÜD’s global Energy Efficiency Centres of Excellence are Aug 6, 2021 · Benefits of Certification by SASO: A number of benefits are available to exporters looking to join the Saudi Arabian market by obtaining SASO certification: 1. Test your learnings with CTF-based Capstone Projects and Mar 22, 2022 · Note that, for the Toy Safety Directive, the certificate is called an EC-type examination certificate. Zone 2 can be self-declared due to lower risk Building Materials Services. TÜV SÜD is an EU Notified Body authorized to evaluate product compliance within the requirements of most EU Directives and Regulations. This technical file needs to demonstrate compliance with all EMC or other regulatory standards that apply to your device. You need to take part in a number of activities, like attending security conferences, webinars, and training sessions. Security+ is an excellent option for IT professionals just getting their start in cybersecurity or for those seeking a vendor-neutral certification. As you know the certificate issued by NBs for CE marking in English will always have the title as "EC Certificate". Jan 10, 2023 · All products placed on the market under the MDD or the Directive 98/79/EC on in vitro diagnostic medical devices (IVDD) before May 26, 2021 may be resold indefinitely. The technical regulations in Ukraine are basically similar to the European directives in the EU. Ask the developer or builder. Bespoke training for your team on most specific UKCA/UKNI/CE Marking issues. Without a valid EC-certificate, a medical device cannot be placed on Certified Products Revoked Certificates Certification Mark Misuse. If the product does not fall under the scope of the CE marking, the General Product Safety Directive 2001/95/EC (GPSD) may apply. an EC declaration of conformity lists all applicable directives and standards for entering the European Community. Sep 16, 2022 · The UKCA marking is a new UK product conformity marking that is mandatory for different types of goods placed on the market in Great Britain. The EC marking is an outdated term for CE marking. Dacă produsul poartă marcajul UE, iar autoritățile naționale vă cer acest lucru, trebuie să le furnizați toate informațiile și documentele justificative legate de at drive the implementation of EUDAMED. has implemented a quality assurance system for the design, manufacture Introduction to the Low Voltage Directive. Students get exposure to a wide range of blockchain implementation concepts and unique guidelines for sustainable and scalable blockchain TÜV SÜD is a trusted electrical certification body. As mentioned, only in very specific cases is it necessary to have an EC certificate (issued by notified bodies), as proof of passing the tests (tests, inspections, etc. Work Anywhere With C|EH- It’s Globally Recognized. A CE mark allows you to sell your product in larger Europe. Company name. 2 - PurposeThis purpose of this document is to provide an overview of the scope and conditions data needs. Instigated by some of the competitors our customers are saying that this is not CE certificate this is EC certificate. The proportions of the CE mark itself shall also be according to the official layout set by the European Union, and a minimum diameter of 5 mm. It is generally inspected during customs clearance if the product being imported requires it. The certificate is in the case of class I(s) devices CE marking. Business rules are describing a required set of condition. Vendor-neutral and DoD approved; The EC-Council CEH is also the most widely recognized certification in the domain of ethical hacking. The EC-Council certification requires Continuing Education Credits (CECs) to renew. There are two main benefits CE marking brings to businesses and consumers within the EEA. Generally, type approval is required before a product is allowed to be sold in a particular country, so the requirements for a given product will vary around the world. These directives revolve around health, safety, and environmental protection legislation. As one medical device company founder says of the CE marking, “there is no guarantee that the device will An ISO13485 certified product can be qualified and certified for CE certification but the reverse may not be true. A 256-bit EC certificate (the minimum length supported) is roughly equivalent to a 3k RSA cert. An EC Design Examination Certificate according to Annex II, Section 4 is required for class III devices covered by this certificate. The CE marking for Restriction of Hazardous Substances is managed by Directorate-General Jan 15, 2019 · European Commission (“CE”) — This certifies that the products have met EU health, safety and environmental requirements that ensure consumer and workplace safety. has been certified as meeting the requirements of Directive 98/79/EC of in vitro diagnostic for the following products: The Notified Body No 1023 has declared that GeneProof a. Certificate number. That means that the EN version only leads to the ‘presumption of conformity’. Access to markets. Clients frequently inquire about our assistance with obtaining CE approval, but Marketing authorisation application should include a CE certificate for the device or, if not CE marked but would need to be certified if marketed separately, applicant must include an opinion from a notified body on conformity of device; Requirement applies since 26 May 2021 under article 117 of Medical Devices Regulation Yes. However, the standards for the CE Mark are generally different to those used by UL. EC Certificate Production Quality Assurance System Directive 93/42/EEC on Medical Devices (MDD), Annex V (Devices in class I in sterile conditions, sterilised systems or procedure packs) No. What is the EU/EC Declaration of Conformity for CE Marking (CE mark)? Definition : The EC declaration of conformity is the written statement and the a single declaration drawn up by the manufacturer to demonstrate the fulfilment of the EU requirements relating to a product bearing the CE marking he has manufactured. The EC-certificate indicates that the medical device has undergone the necessary conformity assessment by a Notified Body for certain classes of devices, and that it meets the requirements for safety, performance, and quality as specified in the relevant EU regulations. It covers most goods which previously had to be CE marked – for example, medical devices, electrical equipment, toys, aerosols, machinery, etc. The main reason a CoC is required at customs is to prove a product that the product Aug 25, 2021 · Within a narrow technical aspect of CE marking there is a certificate-producing process called “EU Type Examination” (in certain legacy cases “EC Type Examination” is still used). Each model of an ordered product should be subjected to adequate tests and have its own certificate. be validated when submitting information. By navigating the distinctions between the UL Certificate and CE Mark We would like to show you a description here but the site won’t allow us. doesn’t automatically qualify for the CE Mark. Electromagnetic The Inspectorate is not authorised to suspend or withdraw a CE certificate. This method should be used for: •Minor modifications to type • Renewal if conformity of manufactured MI is demonstrated changes in the the CE Marking of Conformity on the products concerned conforming to the required Technical Documentation and meeting the provisions of the EC-Directive which apply to them: 0344 Documents, that form the basis of this certificate: Certification Notice 93929CN, initially dated 2September1999 Addendum, initially dated 7February2020 Basically, the declaration is a one-page letter or document in which the manufacturer specifies which EU CE marking directives and standards his product complies with. Before products can be placed onto the European market, CE marking on a product is for most products mandatory to prove that it meets the fundamental legal requirements of the relevant Directive(s) and/or Regulation(s). 2017/746 on in vitro diagnostic devices (IVDR) entered into application on 26 May 2022. Oct 5, 2023 · A CE Certificate of Conformity (CoC) essentially states that a certain product is compliant with one or more regulations, directives or standards. It offers hands-on experience in computer and network security concepts such as threats, vulnerabilities, password cracking, web applications, and more. 4. The Inspectorate can also impose an enforcement measure on the manufacturer in the event of violations. Prepare a DoC, a legally binding document prepared by the manufacturer stating that the It can be made region specific i. A product that is already UL Listed in the U. pdf1. Enter at least 2 characters. Documentation and certification. 5. CE-marking indicates that your products comply with stringent EU product safety directives. s. Manufacturers must test and document to ensure conformity to all applicable European directives and requirements. However, achieving compliance can be a complex process. [3] : 58 It is not a quality indicator or a certification mark. 04. May 6, 2020 · The benefits of having a QMS Certificate include: Enhanced Credibility: The certificate provides external validation of an organization’s commitment to quality, which enhances its credibility and reputation among customers, stakeholders, and business partners. The manufacturer shall inform the notified body without delay if it has obtained information about changes to the pathogen and markers of infections to be tested, in particular as a consequence of biological complexity and variability. Flexible Learning Options : Live, Online, or Hybrid. We offer a range of standards, books and guidelines. For cUL, UL, CE, CSA, FCC, CCC, NOM, SASO, GOST-R, C-Tick, certificates, the logos printed on the product indicate the relevant compliance. Among medical device and IVD manufacturers, there is a belief that a CE-certificate is required to bring their products to the European market. Our CE marking testing services span the complete range of requirements for product acceptance in the EU, against the essential requirements of the Directives. For the majority of products entering Saudi Arabia, SASO certification is required. But be very clear, an EU Type Exam certificate is NOT a Declaration of Conformity. There are basically two ways for manufacturers to perform the conformity assessment. ATEX Directive 2014/34/EU addresses the safety of equipment. It also includes information about the conformity assessment performed, the issuing company, product information, and suppliers. However, it is a normal procedure in the case of medical device certification, because nothing confirms compliance with a standard as well as the assessment of an independent body such as a notified body. Nov 9, 2011 · Basically, certifications per se do not tell much about the quality of a module. It’s estimated that around 70% of all products sold in the EEA must bear a CE mark. to be provided to be valid information for EUDAMED. First, it is important to note that the IEC version and the EN version may differ (even ever so slightly). Assurance of Quality: The CE mark provides stakeholders, including engineers We would like to show you a description here but the site won’t allow us. work over the same curve, for EC keys), then the designation of the curve might be omitted in the signed certificate. Comprehensive Program to Master the 5 Phases of Ethical Hacking. The Congress is first required to enact a product safety law, which pertains to the products being sold or distributed, and then the appropriate federal agency (such as the Consumer Product Safety Commission, the Federal Trade Commission Explanation to answer 1. Hi Janine, CE or EC are no cerificate for GMP an OIML Certificate of Conformity or if all the critical parts of the MI have an OIML Certificate of Conformity or an EC or PC/TC under WELMEC guide 8. Note that CE certificate and CE marking are two distinct concepts. EC-Council’s Certified Threat Intelligence Analyst (C|TIA) certification is a comprehensive specialist-level professional program focused on the ever-evolving domain of threat intelligence. The CE marking on steel products brings several benefits: Access to the European Market: Products bearing the CE mark can be freely traded within the EEA, removing barriers to entry in different countries within this zone. 8 or in the case of minor modifications of the type. This is possible, for example, if a manufacturer markets the medical device or IVD without a CE certificate. For all devices except Class A (non-sterile), you will receive a European Community (EC) CE marking certificate for your device and an ISO 13485 certificate for your facility following the successful completion of your Notified Body audit. FDA approval means that the device is approved for use in all parts of the world, while the CE mark has restrictions, sometimes even within the EU. Unlike the UL Listing in the U. Certification bodies are known as an ExNB (Ex Notified Body) qualified by the official body within their own country issuing a notification to the EU Commission; The certificate is called EC Type Examination Certificate; Assessment and testing process is risk-based per ATEX and EU Directives, e. The UKCA marking officially came into effect in January 2021. 3. Feb 28, 2024 · Our EMC testing lab is accredited by ANSI and can perform testing for FCC and/or CE compliance for your device. The European Commission typically refers to the EN version of the standard. Let’s take a closer look at what a CE mark is and the rules around getting one. With a declaration of conformity, you demonstrate that your product complies with all valid regulations, such as health and European Single Market. Because it is an EU based framework, ATEX also requires CE marking on all products, alongside this is the ATEX Notified Body’s identification number. EC-Certificate. Enter at least 3 characters. When buying a property, ask the sellers to give you their Elevation Certification. Dear all. 59. By affixing the CE marking in accordance with the RoHS Directive, the manufacturer or importer confirms that his electrical or electronic equipment DEKRA Certification GmbH is a Notified Body and Certification Body for medical products. The European Commission also proposes to remove the ‘sell-off’ date currently established in the MDR and the Regulation (EU) 2017/746 on in vitro diagnostic medical devices What is ATEX Certifcation? What are ATEX Zones? What are the applicable ATEX Directives? Full Explanation! Can IEC standards be used for CE certification? The short answer is: it depends. ) provided by the scheme or by the directive to achieve the CE mark. To find out more, email enquiries@makeuk. Step 4. Your QMS must include clinical evaluation, post-market surveillance (PMS) and post-market clinical follow-up (PMCF) plans. (Please note: In the Construction Products Regulation this document is Sep 14, 2023 · September 14, 2023. Type/Model/Part. org or call 0808 168 5874. CE marking is a part of the EU’s harmonisation legislation, which is mainly managed by Directorate-General for Internal market, Industry, Entrepreneurship and SMEs. Apr 19, 2012 · The additional approval must take the form of a supplement to the EC design-examination certificate. Check the property deed. e. Oct 18, 2023 · We follow a five-step approach to certify your medical device: Step 1: Identify EU requirements for your product. The Machinery Directive (2006/42/EC) offers two ways to perform conformity assessment: ‘self-certification’ or ‘self-declaration’ versus third party certification. 2016. There are different renewal requirements for EC-Council and CompTIA. Does this mean two certificates are Type approval or certificate of conformity is granted to a product that meets a minimum set of regulatory, technical and safety requirements. [4] EC-Council’s blockchain certification courses provide learners with hands-on training in blockchain technology, covering three knowledge and competency areas: development, implementation, and strategy. Shipments without it risk delays, fines, or border refusal. If they don’t have an EC, ask if they can provide one before settlement. Our sales people are facing some stupid questions from customers. The manufacturer or its representative based within the Community declare thereby that the product marketed corresponds to all relevant safety Jun 30, 2022 · Moreover, there is no obligation to obtain an ISO 13485 certificate. The following six steps bring together insight on CE marking from experts and Trade Commissioners alike, as well as key EU resources: Find the CE directive (s) that applies to your product. If you buy a solar module with IEC 61215/ 61730/ 61701 etc. The United States regulates product safety via a variety of federal agencies. According to the FCC, all electronic goods that operate at a frequency of 9 May 23, 2023 · While both the UL Certificate and CE Mark represent compliance and product safety, they differ in their scope and geographic acceptance. The certification enhances your competencies as a security engineer and showcases that you have Jul 28, 2023 · CEH is a more specialized certification, while CompTIA Security+ covers basic cybersecurity knowledge. A Structured Professional Course for Aspiring Cyber Professionals. Certificates can also work as additional education to supplement a degree, which might give a person even more earning potential than just the degree alone. Step 3. In roles as "white-hat hackers," professionals keep corporate networks and data safe against the ever-evolving threats of the Internet by using the same tools and In X. Improved Efficiency: Implementing a QMS helps streamline processes, reduce errors Declaration of Conformity and the CE Certificate. The quality of the manufacturer GeneProof a. Click the “Talk to Our Team” button or call us on 866-540-5287 to ask our engineers your question about CE/FCC compliance, or request a free quote for testing and achieving CE/FCC authorization for your device. 509, a CA can use any signature algorithm, regardless of the type of key in the signed certificates. To top. One of our advisors is waiting to help you understand what your certification will cost. Prepare the CE Technical Documentation per Annex II and III of the MDR. As a Notified Body with the identification number 0124, DEKRA Certification GmbH accompanies conformity assessment procedures for medical devices according to Directive 93/42 / EEC, Regulations (EU) 2017/745 and (EU) 2017/746 for companies that place Feb 3, 2022 · EC-Council's CEH certification suits highly skilled security professionals who are well-versed in understanding and knowing the weaknesses and vulnerabilities in targeted systems. The manufacturer should submit the toy to EC-type examination Apr 18, 2016 · 18. Apr 9, 2024 · BENEFITS OF CE MARKING FOR STEEL PRODUCTS. The CE marking may not be affixed to partly complted machinery. Step 3: Compile and review the technical documentation. Avi Sep 27, 2023 · A community's permit file must have an official record that shows new buildings and substantial improvements in all identified Special Flood Hazard Areas (SFHAs)are properly elevated. Following testing, you’ll need to compile a technical file for your device. IEC 61215) tests at the time of applying for certification. The presence of the logo (from French, "conformité européenne" meaning "European conformity") [2] on commercial products indicates that the manufacturer or importer affirms the goods' conformity with European health, safety, and environmental protection standards. S. Theoretically, if both the CA and the signed certificate use DSA keys or EC keys, and the two keys share the same group parameters (i. This elevation information is needed to show compliance with the floodplain management ordinance. EC Declaration of Conformity EC Declaration of Conformity notified body AD 2 General Information on CE Marking as per EC Directives 1 General The CoC is sometimes called Certificate of Conformance or Certificate of Compliance. The CE marking is a significant indication (but not proof) of a product’s conformity with the EU legislation and enables free movement of products within the European market, whether or not they are manufactured in the EEA Four Steps to Your Product’s CE Marking. As a notified body for nearly all EU product The CE marking with the Notified Body Identification Number (0297) may be affixed on the devices listed in the certificate. The declaration shall be in respect of all Community acts applicable to the product containing all information required for the identification of RoHS Directive 2011/65 & 2015/863 (RoHS 3) RoHS is an English abbreviation and stands for R estriction o f H azardous S ubstances. Manufacturers must include the CE mark on all products that fall under one of 25 European directives. Jun 16, 2020 · You must create a CE label file (e. May 27, 2022 · EC Certificate – Full Quality Assurance System. Its purpose is to regulate interstate and international communications by television, radio, cable, wire and satellite. vn eu ma lo lc by ma ry nn dr