CFR / 
Title 20
 / Part 216
 / 
Sec. 216.53 What is required for payment.
An eligible spouse or divorced spouse must:
(a) Apply to be entitled to an annuity; and
(b) Give up the right to return to work for a railroad employer.
(Approved by the Office of Management and Budget under control number 3220-0016 and 3220-0042)