Section 9. Section one hundred eighty-eight of Commonwealth Act Numbered Four hundred sixty-six, as amended, is hereby further amended to read as follows:

"Sec. 188. Transactions and persons not subject to percentage tax. In computing the tax imposed in sections one hundred eighty-four, one hundred eighty-five, and one hundred eighty-six, transactions in the following commodities shall be excluded:

"(a) Articles subject to tax under Title IV of this Code.

"(b) Agricultural products and the ordinary salt in their original form when sold, bartered, or exchanged by the producer or owner of the land where produced. The term "agricultural products" as used herein shall not include cultured fish and other products raised or produced in fishponds, and those which have undergone the process of manufacturing as defined in section one hundred ninety-four (x) of this Code.

"(c) Minerals and mineral products when sold, bartered, or exchanged by the lessee, concessionaire, or owner of the mineral land from which removed.

"(d) Articles subject to tax under section one hundred eighty-nine of this Code.

"(e) Articles shipped or exported abroad by the manufacturer or producer, irrespective of any shipping arrangement that may be agreed upon which may influence or determine the transfer of ownership of the articles so exported.

"The following shall be exempt from the percentage taxes imposed in sections one hundred eighty-four, one hundred eighty-five, and one hundred eighty-six;

"(a) Persons whose gross quarterly sales or receipts do not exceed five hundred pesos.

"(b) All persons engaged in public market places exclusively in the sale at retail of domestic meat, fruits, vegetables, game, poultry, fish and other similar domestic food products.

"(c) Peddlers and sellers at fixed stands and other similar selling places engaged exclusively in the sale at retail of domestic meat, fruits, vegetables, game, poultry, fish, and similar domestic food products, whose total stock in trade in any one day does not reach a retail value of one hundred pesos."

"(d) Producers of commodities of all classes working in their own homes, consisting of parents and children living as one family, when the value of each day's production by each person capable of working is not in excess of five pesos.

"(e) Persons importing articles under the contract for the exclusive use of the Armed Forces of the Philippines."