[2339-128.] S ECTION  1684 . Inspectors of Weights and Measures . — Internal-revenue agents shall inspect and test balances or scales, weights and measures, and report upon the condition thereof in the territory assigned to them. It shall be their duty to collect evidence  of infringements of the law or of fraud in the use of weights and measures or of neglect of duty on the part of any officer engaged in sealing weights and measures. Evidence so collected by them shall be presented forthwith to the Collector of Internal Re venue and also to the proper prosecuting officer. IHSTDE [2339-129.] S ECTION  1685 . Sealers of Weights and Measures . — The sealing and licensing of weights and measures shall be the duty of the provincial treasurers and their deputies, and for the purposes of this law such officers shall be termed sealers of weights and meas ures. [2339-130.] S ECTION  1686 . Destruction of Defective Instrument of Weight or Measure . — Any defective instrument of weight or measure may be destroyed by any inspector or sealer of weights and measures if its defect is such that it cannot readily and securely be repaire d. [2339-131.] S ECTION  1687 . Testing of Instruments Used in Government Work . — All measures and instruments for determining weight used in the Government work or maintained for public use by any province or municipality shall be tested and sealed free of charge. IHSTD E [2339-132.] S ECTION  1688 . Dealer's Permit to Keep Unsealed Weights and Measures . — Upon obtaining written permission from the Collector of Internal Revenue any dealer may keep instruments of weight and measure in stock for sale without sealing, until sold or used. [2339-134.] ARTICLE  X Ad Valorem Tax on Output of Mines Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 508