Service employees For calendar year 2019, the rate of basic pay of any employee of the United States Secret Service provided under chapter 102 of title 5, United States Code, who did not receive a pay increase by operation of subsections (a) through (e) shall be increased by 2.6 percent. (g) NASA employees For calendar year 2019, the rate of basic pay of any employee of the National Aeronautics and Space Administration provided under chapter 98 of title 5, United States Code, who did not receive a pay increase by operation of subsections (a) through (e) shall be increased by 2.6 percent. (h) IRS employees For calendar year 2019, the rate of basic pay of any employee of the Internal Revenue Service provided under chapter 95 of title 5, United States Code, who did not receive a pay increase by operation of subsections (a) through (e) shall be increased by 2.6 percent. (i) Application (1) In general The adjustments in pay made under this Act shall apply beginning on the date of enactment of this Act. (2) Other adjustments permitted