The field of legal metrology, the activities of verification of measuring instruments in Bosnia and Herzegovina is organised as a distributed metrology system, which means that in addition to the Institute of Metrology of BiH, which is the roof institution for metrology in BiH, other metrology laboratories may perform verification activities too.

In accordance to the Law on Metrology of BiH, verification of measuring instruments can be performed by metrological laboratories and centers for verification of measuring laboratories nominated by the Director of the Institute of Metrology of BiH. These metrological laboratories represent independent scientific laboratories, laboratories of the Institute of Metrology of BiH and other laboratories in the capacity of legal entities, as well as centers for verification of measuring instruments belonging to the entity institutions for metrology in the Federation of BiH and Republika Srpska.

In order to be nominated to provide verification services, all metrological laboratories must fulfil a number of pre-requirements, where the most important are:

All laboratories dealing with verification of measuring instruments must be nominated and supervised for their scope of activities by the Institute of Metrology of Bosnia and Herzegovina.

By signing Stabilization and Association Agreement between BiH and EU and striving for EU membership, all laws in Bosnia and Herzegovina must comply with EU legislation. Thus, the Institute of Metrology of Bosnia and Herzegovina is in charge of implementing the two EU directives in the field of metrology, the Measuring Instruments Directive and the Non-Automatic Weighing Instruments Directive, which have been transposed into BiH legislation.

In accordance with these directives, conformity assessment bodies have been recognized in Bosnia and Herzegovina in accordance with different conformity assessment modules.