CFR › Title 38 › Part 6 › §6.438 CFR §6.4Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkWhenever it is necessary for a claimant to prove age, relationship or marriage, the provisions of 38 U.S.C. 103(c) and Part 3 this chapter will be followed.