Abstract. This article presents the development of a system used by the Brazilian Network of Legal Metrology and Quality -INMETRO and its delegated public bodies to increase the coverage of mandatory periodic verification on measuring instruments in Brazil, especially non automatic weighing instruments. Based on a governmental database of active establishments that allowed the choice of an specific economic activity, the system provides a list of establishments where measuring instruments are used to commercial transitions and, therefore, subject to periodic mandatory verification. As a result, the use of system increased the number of measuring instruments controlled in Brazil, revealed areas for improvement and provided references to set goals.

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