CFR > Title 20 - Employees' Benefits > CHAPTER II—RAILROAD RETIREMENT BOARD > SUBCHAPTER B—REGULATIONS UNDER THE RAILROAD RETIREMENT ACT (parts 201 to 295) > PART 228—COMPUTATION OF SURVIVOR ANNUITIES > SUBPART B—The Tier I Annuity Component (§228.10 to §228.40) > 228.13—Computation of the tier I annuity component of a parent's insurance annuity.

228.13—Computation of the tier I annuity component of a parent's insurance annuity.

The tier I annuity component of a parent's insurance annuity is dependent on whether one or two parents are entitled.
(a) One parent entitled. A parent's tier I annuity component is equal to 82 1/2 percent of the PIA computed under § 228.10 of this part.
(b) More than one parent entitled. A parent's tier I annuity component is equal to 75 percent of the PIA computed under § 228.10 of this part.
(c) The amounts computed under paragraph (a) or (b) of this section may be adjusted for the family maximum. See § 228.14 of this part.