Be it enacted by the Senate and House of Representatives of the Philippines in Congress assembled:

SECTION 1. Paragraph twenty-two of Section Eight of the Philippine Tariff Act of nineteen hundred and nine which is continued in force by Republic Act Numbered Three is hereby amended to read as follows:

"22. Schists, bitumens, and derivatives thereof, gross weight:

"(a) Tars, pitches, and tar oils, not otherwise provided for; mineral oils, crude or refined (except gasoline, naphtha, and other similar products of distillation), including those of illumination, lubrication, fuel, or solvents, vaseline (except when compounded with other substances); axle grease of all kinds; asphaltums; carbolineum and similar compounds ; one hundred kilos, twenty-five cents.
"(b) Gasoline, naphtha, and other similar products of distillation, one hundred kilos, fifty cents.

"Provided, That no article classified under clause (a) of this paragraph shall pay a less rate of duty than ten per centum ad valorem.

"Provided, further, That no article classified under clause (b) of this paragraph shall pay a less rate of duty than twenty per centum ad valorem.

"Provided, finally, That though imported under a name referable to clause (a) of this paragraph, paraffin, or other similar products, shall be classified under paragraph eighty-three of this Act."

SEC. 2. This Act shall take effect upon its approval but, unless otherwise expressly extended by Congress, the increased rates of duties provided for in this Act shall continue in force and effect only until December thirty-first, nineteen hundred and fifty-two, after which period the original rates of duties shall again be in force.

Approved, September 5, 1950.