Section 6
SEC. 6. Once every one hundred and eighty days to be counted from the issuance of the certificate mentioned in section three, the calibration of each approved meter must be re-certified by the Director of the Institute of Science and Technology. For each recertification, the Institute shall collect from the owner of the meter a fee of ten pesos, such fees to be collected to form a part of the special fund created in section three. However, re-certification shall be refused if, in the opinion of the Director, the meter has ceased to be fit for determining the moisture content of copra.