; and (ii) 1 workday including 8 hours of regular time per workday and 2 additional hours of scheduled overtime when the agent performs work during such regular time. (B) Subparagraphs (B) through (H) of subsection (b)(3) shall continue to apply to an agent assigned to an alternative work schedule under this paragraph. References in this section to regular time under subsection (b)(3)(A)(i) and scheduled overtime under subsection (b)(3)(A)(ii) shall be deemed to be references to regular time and scheduled overtime described in subparagraph (A), respectively. (3) Basic border patrol agent A border patrol agent receiving a basic border patrol rate of pay may, in lieu of the standard work schedule described in subsection (b)(4)(A), be assigned to an alternative work schedule that is a regular tour of duty consisting of 4 workdays per week with 10 hours of regular time per workday. . (2) Regulations The Director of the Office of Personnel Management shall promulgate regulations to carry out the amendments made by this subsection, including regulations governing— (A) elections and assignments of a border patrol rate of pay for newly hired border patrol agents who complete initial training during an annual period; (B) situations in which a border patrol agent receives more than one type of border patrol rate of pay in a biweekly pay period or is employed as a border patrol agent for only part of a biweekly pay period; and (C) the treatment of hours that are substituted for nonpay status hours during regular time. (b) Overtime rates Section 5542(g)(5) of title 5, United States Code, is amended— (1) in subparagraph (A), by striking leave year and inserting an annual period, as described in section 5550(b)(1)(A) ; and (2) by amending subparagraph (E) to read as follows: (E) shall not receive credit towards computation of the border patrol agent’s annuity based on unused compensatory time off