industrial products of the province, a carnival, or any other act which may redound to the promotion of the  general interests thereof, shall be held on a suitable date or dates, the council of the municipality in which such fair, exposition, or carnival is held may, by resolution of a majority of the council, authorize the cockfighting permitted at a local fiest a to take place for not to exceed three days during said exposition, fair, or carnival, if these fall on a date other than that of the local fiesta. Where this action is taken, cockfighting shall not be permitted during the local fiesta unless a legal holi day occurs at such period, in which case cockfighting may be permitted upon the holiday. [2477-1.] SECTION  2233 . Fundamental Principles Governing Municipal Taxation. —  Municipal revenue obtainable by taxation shall be derived from such sources only as are expressly authorized by law. ARTICLE  XV Municipal Revenue in General  Taxation shall be just and in each municipality uniform. It shall not be in the power of the municipal council to impose a tax in any form whatever upon goods and merchandise carried into the municipality, or out of the same, and any attempt to impose an import or export tax upon such goods in the guise of an un reasonable charge for wharfage, use of bridges or otherwise, shall be void. In no case shall the collection of municipal taxes be let to any person. [82-39, 42, 43, 44; 1791-14.] SECTION  2234 . Use of Municipal Funds. —  Except as allowed by law, municipal funds shall be devoted exclusively to local public purposes. [82-43.] SECTION  2235 . Primary Disposition of Municipal Revenue. —  Except as a measure of safety the municipal share of the revenue collected by the municipal treasurer shall not be removed from the municipality by the provincial treasurer, but upon being collected  and duly accounted for, shall be transferred by the provincial treasurer to the municipal treasurer, and the same shall thereafter be available for disposition upon account of the municipality according to law. 656 Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011