96–465 ) for such time as that election is in effect. (i) Notwithstanding subsections (b) through (e), an employee in a covered position may receive a pay rate increase upon an authorized movement to a different covered position only if that new position has higher-level duties and a pre-established level or range of pay higher than the level or range for the position held immediately before the movement. Any such increase must be based on the rates of pay and applicable limitations on payable rates of pay in effect on December 31, 2019, by operation of section 749 of division D of Public Law 116–6 . (j) Notwithstanding any other provision of law, for an individual who is newly appointed to a covered position during the period of time subject to this section, the initial pay rate shall be based on the rates of pay and applicable limitations on payable rates of pay in effect on December 31, 2019, by operation of section 749 of division D of Public Law 116–6 . (k) If an employee affected by this section is subject to a biweekly pay period that begins in calendar year 2021 but ends in calendar year 2022, the bar on the employee’s receipt of pay rate increases shall apply through the end of that pay period. (l) For the purpose of this section, the term covered position means a position occupied by an employee whose pay is restricted under this section. (m) This section takes effect on the first day of the first applicable pay period beginning on or after January 1, 2021. 748. During the current fiscal year— (1) With respect to budget authority proposed to be rescinded or that is set to be reserved or proposed to be deferred in a special message transmitted under section 1012 or 1013 of the Congressional Budget and Impoundment Control Act of 1974, such budget authority— (A) shall be made available for obligation in sufficient time to be prudently obligated as required under section 1012(b) or 1013 of such Act