The Weights and Measures Act Article 23

In order to ensure the quality of the self-verification operations performed by the organization, the dedicated weights and measures authority may, non-periodically, send its personnel to conduct follow-up audit to the manufacturing premises of the said organization. The organization shall not evade, impede or refuse such follow-up audit.In case the results of follow-up audit are unsatisfactory, the dedicated weights and measures authority may notify the organization to take necessary corrective action within a given time limit. Failure of the organization to do so shall cause rescission of their qualification to perform self-verification operations.