; and (B) who are authorized to carry firearms and empowered to make arrests in the performance of duties related to the protection of buildings, grounds and property that are owned, occupied, or secured by the Federal Government (including any agency, instrumentality or wholly owned or mixed-ownership corporation thereof) and the persons on the property, including any such employee who is transferred directly to a supervisory or administrative position in the Department of Homeland Security after performing such duties in one or more positions (as described under subparagraph (A)) for at least 3 years. . (2) Immediate retirement Paragraphs (1) and (2) of section 8412(d) of title 5, United States Code, are amended by inserting Federal Protective Service law enforcement officer, before or customs and border protection officer, . (3) Computation of basic annuity Section 8415(i)(2) of title 5, United States Code, is amended by inserting Federal Protective Service law enforcement officer, before or customs and border protection officer . (4) Deductions from pay The tables contained in subparagraphs (A), (B), and (C) of section 8422(a)(3) of title 5, United States Code, are amended by adding at the end of each table the following: Federal Protective Service Law Enforcement Officer 7.5 On or after the effective date in section 2(e) of the Federal Protective Service Parity Act of 2017. . (5) Government contributions Section 8423(a) of title 5, United States Code, is amended— (A) in paragraph (1)(B)(i) by inserting Federal Protective Service law enforcement officer, before customs and border protection officers,