Secondary Dependency – Incapacitated Child (21 years of age or over)

Unmarried child over age 21 incapable of self-support because of mental or physical incapacity that occurred while the child was considered a dependent of a sponsor or is considered the dependent of a deceased sponsor (while under age 21 or under age 23 and a full-time student).

Selecting requirement tabs for your branch of service will provide the forms and instructions necessary to claim an incapacitated child as a secondary dependent. Make sure you review instructions and have included all required documents prior to submitting an application.
Gather and complete (if applicable) the information required to apply for a Secondary Dependent. Check the requirements for your branch of service on a tab below to find out what is required to apply.
DFAS does not process Incapacitated Child Secondary Dependency Determinations for the following services/agencies. For additional assistance or to find answers to your questions, please contact the appropriate agency listed in the Contacts & Addresses tab on this page.
  • Navy
  • Marine Corps
  • Coast Guard
  • National Oceanic and Atmospheric Administration
  • Public Health Service

SDC Help


Page updated January 18, 2022