CIPM MRA documents - TITLE

CIPM MRA documents

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Text of the CIPM MRA

Mutual recognition of national measurement standards and of calibration and measurement certificates issued by national metrology institutes (1999)

Technical Supplement revised in 2003 (2003)

CIPM MRA documents - list of Appendices

Appendices to the Arrangement

List of participants
- Appendix A

Internationally recognized CMCs and Comparisons published in the KCDB
- Appendices B, C, D

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1. Policy documents

CIPM MRA-P-11

Overview and implementation of the CIPM MRA (2023)

CIPM MRA-P-12

Coordination within the CIPM MRA: Consultative Committees, Regional Metrology Organizations, JCRB (2021)

CIPM MRA-P-13

Participation in the CIPM MRA: National Metrology Institutes, Designated Institutes, International organizations (2024)

2. Guidance documents

CIPM MRA-G-11

Measurement comparisons in the CIPM MRA: Guidelines for organizing, participating and reporting (2021)

CIPM MRA-G-12

Quality management systems in the CIPM MRA: Guidelines for monitoring and reporting (2021)

CIPM MRA-G-13

CMCs in the context of the CIPM MRA: Guidelines for their review, acceptance and maintenance (2024)

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3. Related collaborative statements and declarations

CIPM-ILAC joint statement (2020)

BIPM-OIML-ILAC-ISO joint declaration (2018)

BIPM-OIML-ILAC joint declaration (2006)

[QM] Delta value isotope ratio measurements

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4. Review of the CIPM MRA (2016)

Recommendations from the Working Group on the Implementation and Operation of the CIPM MRA (2016)

CBKT CIPM MRA Brochures TITRE

5. CIPM MRA Brochures

CIPM MRA Brochures

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Help on the KCDB

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In case of query please contact the JCRB Executive Secretary.

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Classification of services

AUV - Classification of services in Acoustics, Ultrasound and Vibration (2023)

EM - Classification of services in Electicity and Magnetism (2025)

L - Classification of services in Length - DimVIM

M - Classification of services in Mass and related quantities (2022)

PR - Classification of services in Photometry and Radiometry (2022)

QM - List of amount of substance categories (2009)

RI - Classification of services in Ionizing Radiation (2023)

T - Classification of services in Thermometry (2021)

TF - CCTF-WGMRA Guideline 1: The Service Category classification system for T&F CMC entries (2025)

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CCAUV

AUV - Classification of services in Acoustics, Ultrasound and Vibration (2023)

Peer Reviewer Database

Peer reviewer template

CCEM

CCEM Guidelines for Implementation of the Revised SI (2018)

CCEM Guidelines for Planning, Organizing, Conducting and Reporting Key, Supplementary and Pilot Comparisons (2017)

CCEM Guidelines on Technical Evidence for the Acceptance of Calibration and Measurement Capabilities in the context of the CIPM MRA (2023)

Electricity and Magnetism Supplementary Guide for the Submission of CMCs (2018)

EM - Classification of services in Electicity and Magnetism (2025)

CCL

CCL-GD-1
Running of MRA comparisons in length metrology and monitoring their impact on CMCs (2023)

CCL-GD-2
Comparison scheme applied in dimensional metrology

CCL-GD-3
Guide to preparation of Key Comparison Reports in Dimensional Metrology

CCL-GD-3.1
KC Technical Protocol Template

CCL-GD-3.2
KC Report Template

CCL-GD-3.2b
Bilateral Report Template

CCL-GD-3.3
Executive Report Template

CCL-GD-4
KC Planning

CCL-GD-5
Guide to formatting CMC entries (DimVIM Guide) and to their inter-RMO review

CCL-GD-6
CMCs of category Standards of 1D point-to-point dimensions

CCL-GD-8
CMCs on frequency stabilized lasers – Guidelines

Example Excel file for comparison analysis

Example Excel file for comparison analysis of linked-loop comparisons

L - Classification of services in Length - DimVIM

WGMRA Comparison progress report template

CCM

CCM Guidelines for approval and publication of the final reports of key and supplementary comparisons (with Appendix on Pilot Studies)

CCM Key Comparison Report Template

CCM-WGFF: CMC Review - Protocol

CCM-WGFF: CMC Review - Uncertainty and Calibration Report Uncertainty

CCM-WGFT: CMC Review - Excel Submission Template (2024)

CCM-WGFT: CMC Review - Submission and Review Guidance Document (2024)

CCM-WGPV: CMC Review - Guideline for reviewers of CMC entries in pressure

CCM-WGPV: CMC Review - Statement 2 on the content of CMC entries

CCM-WGPV: CMC Review - Statement 3 on the uncertainties of the UUCs

M - Classification of services in Mass and related quantities (2022)

CCPR

CCPR-G1
Guidelines for membership of CCPR-WG-KC

CCPR-G2
Guidelines for CCPR key comparison report preparation

CCPR-G3
Guidelines for acceptance of CCPR Key Comparisons participants - One page document now included in CCPR-G4

CCPR-G4
Guidelines for preparing CCPR key comparisons

CCPR-G5
Guidelines for CCPR and RMO bilateral key comparisons

CCPR-G6
Guidelines for RMO key comparisons in PR

CCPR-G7
Guidelines for RMO PR Supplementary Comparisons

CCPR-G8
Guidelines for the evaluation of CMC claims in light of comparison results

CCPR-G9
Rules for review of CMC claims and requirements for supporting evidence

KCDB 2.0 indications for CMC data migration in PR (2018)

PR - Classification of services in Photometry and Radiometry (2022)

Supporting evidence for CMCs in PR

CCQM

CCQM comparison progress form (PDF file)

CCQM document cover sheet (Word file)

CCQM-F-01
CCQM request form for guest laboratories (PDF file)

CCQM-F-02
Request form for CCQM Study Number (PDF file)

CCQM-F-03
CCQM pilot study publication form

CCQM-F-04
Comparison registration

CCQM-F-05
Template for Questionnaire on a proposed CCQM/RMO key/supplementary comparison

CCQM-KCWG/01 - Guidelines for the CCQM-KCWG on the Review of CCQM CMCs for Inclusion in the KCDB (2020)

CCQM-KCWG/02 - Excel template for CMCs in Chem-Bio (2021)

CCQM-KCWG/03 - Instructions for CCQM JCRB review

CCQM-KCWG/04 - Report of the CCQM-KCWG Task Group on Broad-Scope CMCs (2021)

CCQM-KCWG/05 Quick reference guide to CCQM comparisons (2024)

QM - List of amount of substance categories (2009)

Summary of CCQM Key Comparisons and Pilot Studies

Traceability exceptions

CCRI

CCRI-G-01
Validity of Ionizing Radiation Comparisons under the auspices of the CIPM MRA (2011)

CCRI-G-02
Interpretation of CMCs

CCRI-G-03
An Interpretation of CIPM MRA-G-11: Implications and Impacts for CCRI (2023)

CCRI-G-04
CMC review checklist (2023)

CCRI-S2-G-01
Guidance on applying the Measurement Methods Matrix (MMM) in using comparison results to support CMCs (2024)

RI - Classification of services in Ionizing Radiation (2023)

CCT

CCT Guidelines for comparisons

CMC Review Protocol: Calibration of fixed point cells (excluding the TPW) and calibration of SPRTs at fixed points

CMC Review protocol: Calibration of high-temperature fixed points

CMC Review Protocol: Calibration of industrial thermometers

CMC Review Protocol: Humidity

CMC Review Protocol: Humidity generators

CMC Review Protocol: IR spectral emissivity

CMC Review Protocol: ITS-90 SPRT Subrange

CMC Review Protocol: Radiation Thermometry

CMC Review Protocol: Relative humidity

CMC Review Protocol: Thermal diffusivity

CMC Review Protocol: TPW

T - Classification of services in Thermometry (2021)

CCTF

CCTF Guidelines for Planning, Organizing, Conducting and Reporting Key, Supplementary and Pilot Comparisons (2018)

CCTF-WGMRA Guideline 2: The estimation of uncertainties for T&F CMC entries (2012)

CCTF-WGMRA Guideline 3: The uncertainty interpolation for T&F CMC entries (2012)

CCTF-WGMRA Guideline 4: Uncertainty in frequency (2012)

CCTF-WGMRA Guideline 5: The prediction uncertainty of [UTC – UTC(k)] (2015)

CCTF-WGMRA Guideline 6: Requirements for participation in the computation of UTC at the BIPM (2017)

CCTF-WGMRA Guideline 7: Participation in the ongoing key comparison in time, CCTF-K001.UTC (2015)

CCTF-WGMRA Guideline 8: Technical requirements for participation in UTC (2017)

CCTF-WGMRA Guideline 9: CCTF criteria for obtaining traceability in time and frequency (2017)

TF - CCTF-WGMRA Guideline 1: The Service Category classification system for T&F CMC entries (2025)

Time and Frequency Supplementary Guide for Appendices B and C of the CIPM MRA (2017)