; (2) provide information regarding the Postal Service Health Benefits Program to such annuitants and employees, including a description of the health care options available under such Program, the requirement that retirees be enrolled in Medicare under subsection (e)(1), and the operation of the premium transition fund to be created under section 104 of the Postal Service Reform Act of 2017 ; and (3) respond and provide answers to any inquiry from such employees and annuitants about the Postal Service Health Benefits Program or Medicare enrollment. . (2) Technical and conforming amendments (A) Section 8903(1) of title 5, United States Code, is amended by striking two levels of benefits and inserting 2 levels of benefits for enrollees under this chapter generally and 2 levels of benefits for enrollees under the Postal Service Health Benefits Program established under section 8903c . (B) The table of sections for chapter 89 of title 5, United States Code, is amended by inserting after the item relating to section 8903b the following: 8903c. Postal Service Health Benefits Program. . (b) Coordination with Medicare (1) Medicare enrollment and coverage Section 1837 of the Social Security Act ( 42 U.S.C. 1395p ) is amended by adding at the end the following new subsection: (m) (1) In the case of an individual who— (A) is— (i) a Postal Service Medicare covered annuitant; or (ii) an individual who is a family member of such an annuitant and is a covered Medicare individual; (B) enrolls in a Program plan under section 8903c of title 5, United States Code