; and (2) if the date of the enactment of this Act occurs after August 31 of a year, shall apply with respect to plans for alternative pay adjustments for any year beginning after the year following such year. B Bonuses and Special and Incentive Pays 611. One-year extension of certain bonus and special pay authorities for reserve forces The following sections of title 37, United States Code, are amended by striking December 31, 2017 and inserting December 31, 2018 : (1) Section 308b(g), relating to Selected Reserve reenlistment bonus. (2) Section 308c(i), relating to Selected Reserve affiliation or enlistment bonus. (3) Section 308d(c), relating to special pay for enlisted members assigned to certain high-priority units. (4) Section 308g(f)(2), relating to Ready Reserve enlistment bonus for persons without prior service. (5) Section 308h(e), relating to Ready Reserve enlistment and reenlistment bonus for persons with prior service. (6) Section 308i(f), relating to Selected Reserve enlistment and reenlistment bonus for persons with prior service. (7) Section 478a(e), relating to reimbursement of travel expenses for inactive-duty training outside of normal commuting distance. (8) Section 910(g), relating to income replacement payments for reserve component members experiencing extended and frequent mobilization for active duty service. 612. One-year extension of certain bonus and special pay authorities for health care professionals (a) Title 10 authorities The following sections of title 10, United States Code, are amended by striking December 31, 2017 and inserting December 31, 2018 : (1) Section 2130a(a)(1), relating to nurse officer candidate accession program. (2) Section 16302(d), relating to repayment of education loans for certain health professionals who serve in the Selected Reserve. (b) Title 37 authorities The following sections of title 37, United States Code, are amended by striking December 31, 2017 and inserting December 31, 2018 : (1) Section 302c-1(f), relating to accession and retention bonuses