Annuity claimant. When there are claimants under paragraph (a)(1), (a)(2), or (a)(3) of § 222.30, a person will be considered the child of the employee when that person is—
The natural or legally adopted child of the employee (see § 222.33); or
The stepchild of the employee; or
The grandchild or step-grandchild of the employee or spouse; or
The equitably adopted child of the employee.
Lump-sum payment claimant. A claimant for a lump-sum payment must be one of the following in order to be considered the child of the employee:
The natural child of the employee;
A child legally adopted by the employee (this does not include any child adopted by the employee's widow or widower after the employee's death); or
The equitably adopted child of the employee. For procedures on how a determination of the person's relationship to the employee is made, see §§ 222.32-222.33.