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US-UK Mutual Recognition Agreement

US-UK Mutual Recognition Agreement


The US-UK Mutual Recognition Agreement (MRA)was signed on February 14, 2019, and entered into force on January 1, 2021.

Under this agreement, qualified US CABs can obtain UK Approved Body recognition for the specific UK regulations noted below.

Note: UK recognition is not available or required for testing laboratories. Manufacturers can use any lab for the required testing.

Please refer to the following two MRA Annexes for further information:

- Telecommunications Equipment Annex (MRA text p. 17)
- EMC Annex (MRA text p. 29)

UK Telecom Regulatory Authority


UK Recognition Authority for the MRA

Department for Business, Energy, and Industrial Strategy - BEIS

Scope of Designation for EMC

Approved Body Status for

UK Electromagnetic Compatibility (EMC) Regulations 2016 (SI 2016/1091) - EMCR

With revisions in UK Statutory Instruments 2019 No. 696 SCHEDULE 20

Module B - Schedule 3, Part 1 (Type Examination)

Scope of Designation for Radio

Approved Body Status for

UK Radio Equipment Regulations 2017 (SI 2017/1206) - RER

With revisions in UK Statutory Instruments 2019 No. 696 SCHEDULE 29

Module B – Schedule 3 (Type Examination)

Application Requirements

US CABS that are currently recognized by the UK under this MRA were recognized under a special MRA continuity clause (for US CABS already recognized as Notified Bodies for the EU). 

Application requirements for CABs that were not yet approved as NBs for the EU will be posted here once the UK has provided the necessary UK scheme information.

Resources/Links to Additional Information: 

About UK designated standards  (apply for Great Britain - England, Scotland, Wales)

EMC specific UK designated standards

Radio specific UK designated standards

Low voltage UK specific designated standards

Radio Equipment Regulation 14 Guidance

Radio Equipment Regulation (RER) Approved Bodies (AB) website - Under Development


For questions related to this MRA, please contact NIST via

Content last revised on March 1, 2021


Created April 10, 2019, Updated March 1, 2021