CIPM revision 2003
At its 92nd meeting, in October 2003, the CIPM approved proposals from the JCRB for modifications to the Technical Supplement of the CIPM MRA. These concern paragraph T.7, stating that unresolved inconsistencies resulting from supplementary comparisons will be noted in Appendix C, and paragraph T.10, clarifying that supplementary comparisons are only carried out by RMOs.

Download file: Text of the CIPM MRA (2003) Browse the content online: The essential points Preamble Main text The arrangement Scope of the arrangement Technical basis of the arrangement Responsibilities of the Consultative Committees of the CIPM Responsibilities of the regional metrology organizations Participation in key and supplementary comparisons Confidence in measurements Disputes in the operation of the arrangement Coordination Responsibility and liability for measurements Signing this mutual recognition arrangement and bringing it into force Status of national measurement standards calibrated by the BIPM or by a national metrology institute NMIs that are not members of an RMO NMIs that are members of more than one RMO Entry of new RMOs into the Joint Committee Technical supplement to the arrangement (modified by the CIPM, 2003) Appendices to the arrangement Appendix A: List of national metrology institutes that are signatories to the arrangement. Appendix B For each key comparison the following are included: individual values for each institute, together with their declared uncertainties; the key comparison reference value with its associated uncertainty; for each institute, the deviation from the key comparison reference value and the uncertainty in that deviation (at a 95 % level of confidence), i.e. its degree of equivalence; the degrees of equivalence between the standards of each of the participating institutes. Appendix C: Quantities for which calibration and measurement certificates are recognized by institutes participating in part two of the agreement. The quantities, ranges and calibration and measurement capabilities expressed as an uncertainty (normally at a 95 % level of confidence) are listed for each participating institutes. Appendix D: List of key comparisons Appendix E: Terms of reference of the Joint Committee of the Regional Metrology Organizations ahd the BIPM (JCRB) Glossary of terms used in this arrangement