The National Metrology Laboratory (NML) has responsibility for the realisation and maintenance of the national measurement standards for Ireland and the provision of traceability to users. 

The National Standards maintained by NML and the calibration certificates issued are approved under the CIPM MRA. NSAI NML are also certified to ISO9001.
 
Calibration certificates issued under the CIPM MRA are fully recognised and accepted by Accreditation Bodies and Regulatory Authorities world-wide. Please see NML CIPM doc and ISO9001 Certificate here.

Review details on the MRA official document signed by NML and BIPM. Full details on the MRA including all approved CMCs and intercomparison results may be found at the website of the Bureau International des Poids et Measures.