[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR218.42] [Page 244] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 218_ANNUITY BEGINNING AND ENDING DATES--Table of Contents Subpart D_When an Annuity Ends Sec. 218.42 When a parent annuity ends. (a) Tier I. The tier I benefit of a parent annuity ends with the earliest of the last day of the month before the month in which the parent-- (1) Dies; (2) Becomes entitled to an old age benefit under the Social Security Act that is equal to or larger than the tier I benefit of the parent annuity before any reduction for the family maximum, unless he or she is also entitled to a tier II benefit (reduction for the family maximum is discussed in part 228 of this chapter); (3) Becomes entitled to another survivor annuity in a larger amount, unless he or she elects to be paid the smaller annuity; or (4) Remarries after the employee's death, unless he or she marries a person who is entitled to Social Security or Railroad Retirement Act benefits as a divorced spouse, widow, widower, mother, father, parent, or disabled child. (b) Tier II. The tier II benefit of a parent annuity ends with the earliest of the last day of the month before the month in which the parent-- (1) Dies; (2) Remarries after the employee's death; or (3) Becomes entitled to another survivor annuity in a larger amount, unless he or she elects to be paid the smaller annuity.