; and (B) in paragraph (3), by striking section 502(6) of the Federal Water Pollution Control Act ( 33 U.S.C. 1362(6) ) and inserting section 502 of the Federal Water Pollution Control Act ( 33 U.S.C. 1362 ) . (3) Section 309(c)(6) of the Federal Water Pollution Control Act ( 33 U.S.C. 1319(c)(6) ) is amended by striking section 502(5) of this Act and inserting section 502 . (4) Section 107(f) of the Ocean Thermal Energy Conversion Act of 1980 ( 42 U.S.C. 9117(f) ) is amended by striking section 502(12)(B) of the Federal Water Pollution Control Act of 1972 ( 33 U.S.C. 1362(12)(B) ) and inserting paragraph (5)(B) of section 502 of the Federal Water Pollution Control Act ( 33 U.S.C. 1362 ) . 5. Providing regulatory certainty under the Federal Water Pollution Control Act (a) Codification of nationwide permits (1) In general The Nationwide Permits issued, reissued, or modified, as applicable, in the following final rules of the Corps of Engineers are enacted into law: (A) The final rule of the Corps of Engineers entitled Reissuance and Modification of Nationwide Permits (86 Fed. Reg. 2744 (January 13, 2021)). (B) The final rule of the Corps of Engineers entitled Reissuance and Modification of Nationwide Permits (86 Fed. Reg. 73522 (December 27, 2021)). (2) Period of applicability (A) In general Paragraph (1) ceases to be effective March 14, 2026. (B) Effect Notwithstanding subparagraph (A), the Nationwide Permits described in paragraph (1) shall remain in effect on and after the date described in that subparagraph until the date on which the Nationwide Permits are reissued or modified. (b) National pollutant discharge elimination system Section 402(b)(1)(B) of the Federal Water Pollution Control Act ( 33 U.S.C. 1342(b)(1)(B) ) is amended by striking five years and inserting 10 years . (c) Certainty on availability of National Pollutant Discharge Elimination System general permits Section 402(a)(3) of the Federal Water Pollution Control Act ( 33 U.S.C. 1342(a)(3) ) is amended— (1) by striking (3) The permit and