29 regulations (IRR) of this Act within one hundred eighty (180) days after its effectivity. SEC. 36. Separability Clause. – If any provision or part hereof is held invalid or unconstitutional, the remainder of the law or the provision not otherwise affected shall remain valid and subsisting. SEC. 37. Repealing Clause. – Presidential Decree No. 633, creating the NCRFW and its succeeding amendatory laws (Executive Order Numbered 208 and 268) and any law, presidential decree or issuance, executive order, letter of instruction, administrative order, rule or regulation contrary to, or inconsistent with the provisions of this Act are hereby amended, modified or repealed accordingly. SEC. 38. Effectivity Clause. – This Act shall take effect fifteen (15) days after its publication in at least two (2) newspapers of general circulation. Approved, O