(a)(1) This chapter applies to the construction of a single-family residential dwelling for which a building permit is issued on or after January 1, 2024.(2) This chapter applies to the construction of a multi-family residential dwelling for which an application for final site plan approval is submitted on or after January 1, 2025.(b)(1) This chapter does not apply to the construction of a single-family residential dwelling for which a building permit is issued before January 1, 2024.(2) This chapter does not apply to the construction of a multi-family residential dwelling for which a final site plan approval is issued before January 1, 2025.Added by Laws 2023, ch. 145,s 1, eff. 8/3/2023.Section 2 of the 2023 enacting legislation provides that this section expires on the date of publication in the Register of Regulations of a notice by the Secretary of the Department of Natural Resources and Environmental Control that the Regulations for State Energy Conservation Code, Regulation 2101 of Title 7 of the Delaware Administrative Code, have been updated to match or exceed the standards adopted by this Act.