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This activity involves the examination and issuing of a verification certificate that ascertains that the measuring instrument complies with statutory requirements.

Every weight and measuring instrument is checked for accuracy after submitting the prescribed verification fees. The measuring instrument is then provided with a special government sea and a verification certificate is issued simultaneously.

A supplier or trader is responsible for ensuring that the instruments are verified before they are used for trade. The frequency of verification is determined by the established calibration interval. For example, Volume measures such as Bulkflow Meters and Fuel Dispensers, are verified after six (6) months. Measures of Mass such as scales and weighbridges are conducted after twelve (12) months.

A ZMA Label is placed on an instrument to certify that the instrument conforms to the set standards. The Sticker also indicates the expiry of the verification provided.