OIML G 21 • Guidance for defining the requirements for a certification system for prepackages
3 General guidance for the certification of prepackages
3.4 Elements for a certification scheme for prepackages
3.4.4 Post certification conformity assessment activities

3.4.4.1 Inspection at point of production (reference test)

This activity involves periodically taking samples of produced prepackages at the point of production and subjecting them to tests to establish ongoing compliance.