; and (2) in section 5541(2)(xi), by inserting , section 5547a(h), after section 5544 . (b) Calendar year 2023 For the purpose of applying section 5547 and section 1701 of division B of Public Law 117–43 ( 5 U.S.C. 5547 note) in calendar year 2023, incident standby premium pay shall be included in premium pay that is subject to the limits established in those sections. (c) Effective date The amendments made by subsection (a) shall take effect on the first day of the first pay period that has a payment date in January 2024. Subsection (b) shall be effective on the first day of the first applicable pay period beginning on or after October 1, 2023. (d) Clerical amendment The table of sections for chapter 55 of title 5, United States Code, is further amended by inserting after the item for section 5547 the following new item: 5547a. Special limitations on premium pay for employees engaged in wildland firefighting. . 5. Rest and recuperation leave for employees engaged in wildland firefighting (a) In general Title 5, United States Code, is amended by inserting after section 6329d the following: 6329e. Rest and recuperation leave for employees engaged in wildland firefighting (a) In this section— (1) the term applicable Secretary means the Secretary of Agriculture or the Secretary of the Interior; (2) the term covered employee means an employee of the Forest Service or the Department of the Interior who— (A) qualifies as a wildland firefighter based on the definitions of firefighter and wildland firefighter in section 5332a(a) (applying the definition of employee in section 6301(2) in lieu of the definition of employee in section 5331(a)); or (B) is certified by the applicable agency to perform wildland fire incident related duties dwing the period such employee is assigned to a qualifying incident