; and (B) the Office provides the Secretary of Health and Human Services and the Commissioner of Social Security in a timely manner with such information respecting such annuitants and family members and such election as may be required to effect their enrollment and coverage under Medicare part B and this section in a timely manner. (4) Waiver for extreme financial hardship (A) In general The Postal Service, in consultation with recognized labor organizations and management organizations, shall establish a waiver program under which the requirement to enroll in Medicare part B under paragraph (1) or (2), as applicable, is waived for Postal Service annuitants and family members who demonstrate extreme financial hardship. (B) Effect of waiver If the applicable requirement described in subparagraph (A) is waived for a Postal Service annuitant or family member— (i) the Postal Service shall notify the Office of the waiver