Resources

International Organisation of Legal Metrology (OIML) international vocabulary for metrology.

Euramet guidance on calibrating of non-automatic weighing instruments.

Office for Product Safety and Standards (OPSS) guidance for inspectors and manufacturers of weights and measures equipment.

European Commission updated 'Blue Guide' on the implementation of directives based on the new approach and the global approach.

European Cooperation in Legal Metrology (WELMEC) advice for manufacturers and notified bodies on what the organisation considers as best practice.

International Organisation of Legal Metrology (OIML) guidelines for the application of certain requirements to legal metrology.

International Organisation of Legal Metrology (OIML) advice on harmonising and improving legal metrology work.

This email contains information on the following:

Quarterly Live Briefing: Quarterly Live Briefing LA feedback questionnaire
Product Safety: OPSS online marketplaces campaign; OPSS publishes online marketplace research; Product Safety Testing Sampling Protocol Programme: April 2024 – March 2025 Report
Primary Authority: Businesses seeking Primary Authority
Dates to note

This email contains information on the following:
Quarterly Live Briefing: Joining instructions
Product Safety: OPSS launches new online product safety campaign
Construction Products: Enquiry form added to Regulators’ Companion; Designated standards notices published; OPSS Product Recalls and Alerts
Legal Metrology: Weights and Measures: national and EEC stamp numbers
Primary Authority: Businesses seeking Primary Authority
Dates to note

Information on relevant details and requirements for public weighbridge operators.

Office for Product Safety and Standards (OPSS) guidance on the local authority notified body protocol.

OPSS guidance for conformity assessment bodies (CABs) certifying for the GB and NI market.

OIML model regulations specifying the metrological characteristics of measuring instruments and methods and equipment for checking their conformity.

Terms of reference outlining the purpose, membership, responsibilities and function of the TEP.

This email contains information on the following:

Quarterly Live Briefing: Save the Date
Product Safety: OPSS product safety campaigns forward look; British Standards Online - training offer
Primary Authority: Businesses seeking Primary Authority
Wider Updates: DBT Local Authority deep dive sessions in England
Dates to Note

This email contains information on the following:

Product Safety: Publication of button battery safety literature review; Product Safety research collection; reminder: British Standards Online - training offer
Primary Authority: Businesses seeking Primary Authority
Wider Updates: DBT Local Authority deep dive sessions in England
Dates to Note

OPSS offers Local Authorities access to internal OPSS expertise; including technical, scientific and risk associated with construction products.

CFO Email sent to FRS on 30 October 2025.

This email contains information on the following:

Product Safety: E-bike battery safety funding opportunity; Product Safety Database Notifications, Reporting and Data Quality webinar recordings; proposal to amend designated standards; OPSS firework safety campaign
Primary Authority: Businesses seeking Primary Authority
Wider Updates: Building Local Authority Capability training in November; Regulators’ Companion Student Hub
Dates to Note

Resource page for OPSS's Quarterly Live Briefing which was held on Thursday 11 September 2025.

Introduction to Fireworks Enforcement webinar presented Ian Hillier on behalf of the Chartered Trading Standards Institute and Office for Product Safety and Standards.