Section 21
SEC. 21. The Bureau of Commerce and Industry shall be entitled to collect, in addition to the fees or taxes established in section five, the following: For the registration of each application and expenses of publication, fifty pesos; for the reissue of a patent, thirty pesos; for recording any assignment, sale, exchange or transfer, twenty pesos; for recording any agreement, power of attorney or other document not a conveyance of title, if the same contains more than one thousand words and less than one thousand, five pesos; for each one thousand additional words or fraction thereof, two pesos; for certified copies of patents and other documents, fifty centavos per page certified or any fraction thereof, plus fifty centavos for the certificate.