SECTION 1. Section two of Act Numbered Thirty-nine hundred and ninety-five known as the Assessment Law, is hereby amended to read as follows:
"SEC. 2. Incidence of real-property tax.—In all parts of the Islands other than the Mountain Province and the cities of Manila and Baguio, there shall be levied, assessed, and collected, an annual ad valorem tax on real property, including land, buildings, and other improvements not hereinafter specifically exempted."