H. No. 1800 / 54 OG No. 15, 4462 (July 21, 1958)
SEC. 2. Paragraph 73.21 of Chapter 73, Schedule XV, of Republic Act Numbered Nineteen hundred thirty-seven, is hereby amended to read as follows:
"73.11 Angles, shapes, sections and sheet piling, of iron or steel, hot-rolled, forged or cold-finished, whether or not drilled or punched, but not assembled: A. Angles of which the maximum cross-sectional dimension does not exceed eighty-eight millimeters and channels of which the maximum cross-section dimension does not exceed seventy-five millimeters…ad val. 25°/o B. Riveted, welded, punched, or drilled ad val. 80% C. Other ad val. 15%."
"73.21Assembled sheet piling of cast iron, iron or steel; girders, beams, joists and pillars made from assembled elements; structures and finished parts for assembly into structures (e. g., bridge sections, roofing frameworks, shutters, pylons, balconies, balustrades, verandas, window and frames) of cast iron, iron or steel … ad val. 80%."SEC. 3. This Act shall take effect upon its approval.