CFR > Title 20 - Employees' Benefits > CHAPTER II—RAILROAD RETIREMENT BOARD > SUBCHAPTER B—REGULATIONS UNDER THE RAILROAD RETIREMENT ACT (parts 201 to 295) > PART 229—SOCIAL SECURITY OVERALL MINIMUM GUARANTEE > SUBPART F—Computation of the Overall Minimum Rate (§229.45 to §229.58) > 229.47—Child's benefit.