20 C.F.R. § 219.63 What evidence is required to establish “good cause”.
Title 20 - Employees' Benefits
The Board will ask for the following evidence of “good cause”: (a) The claimant's signed statement explaining why he or she did not file the application for lump-sum death payment or annuity unpaid at death or the parent's proof of support within the specified two-year period. (b) If the statement in paragraph (a) of this section or other evidence raises a reasonable doubt as to whether there was good cause, other convincing evidence to establish “good cause”.
Title 20: Employees' Benefits
PART 219—EVIDENCE REQUIRED FOR PAYMENT
Subpart D—Other Evidence Requirements
§ 219.63 What evidence is required to establish “good cause”.
