Be it enacted by the National Assembly of the Philippines:
Section 1. Section two hundred and four of Commonwealth Act Numbered Four hundred and sixty-six is amended by adding at the end of the first paragraph the following proviso:
“Provided, That merchants, importers, or manufacturers whose gross sales during the last preceding year exceed twenty thousand pesos shall, for each sale, issue an invoice, irrespective of the value of the article sold.”
Section 2. This Act shall take effect as of January first, nineteen hundred and forty.