CFR › Title 20 › Part 216 › §216.6420 CFR §216.64Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAn eligible widow(er), surviving divorced spouse, or remarried widow(er) must:(a)Apply to be entitled for an annuity; and(b)Submit evidence requested by the Board to support his or her application.