45 C.F.R. § 146.125
Section 144.103 of this subchapter and §§ 146.111 through 146.119 , 146.143 , and 146.145 are applicable for plan years beginning on or after July 1, 2005. Notwithstanding the previous sentence, for short-term, limited-duration insurance sold or issued on or after September 1, 2024, the definition of short-term, limited-duration insurance in § 144.103 of this subchapter applies for coverage periods beginning on or after September 1, 2024. For short-term, limited-duration insurance sold or issued before September 1, 2024 (including any subsequent renewal or extension consistent with applicable law), the definition of short-term, limited-duration insurance in 45 CFR 144.103 , revised as of October 1, 2023, continues to apply, except that paragraph (1)(ii) of the definition of short-term, limited-duration insurance in § 144.103 applies for coverage periods beginning on or after September 1, 2024.
45 C.F.R. §146.125