---
kind: "section"
citation: "20 C.F.R. § 725.404"
title: "20"
number: "725.404"
heading: "Development of evidence—general."
url: "https://uscodex.org/cfr/20/725.404"
---

# §725.404. Development of evidence—general.

- (a) **Employment history.** Each claimant shall furnish the district director with a complete and detailed history of the coal miner's employment and, upon request, supporting documentation.
- (b) **Matters of record.** Where it is necessary to obtain proof of age, marriage or termination of marriage, death, family relationship, dependency (see [subpart B](/cfr/20/subpartB.md) of this part), or any other fact which may be proven as a matter of public record, the claimant shall furnish such proof to the district director upon request.
- (c) **Documentary evidence.** If a claimant is required to submit documents to the district director, the claimant shall submit either the original, a certified copy or a clear readable copy thereof. The district director or administrative law judge may require the submission of an original document or certified copy thereof, if necessary.
- (d) **Submission of insufficient evidence.** In the event a claimant submits insufficient evidence regarding any matter, the district director shall inform the claimant of what further evidence is necessary and request that such evidence be submitted within a specified reasonable time which may, upon request, be extended for good cause.

## Notes

### Authority

Authority: 5 U.S.C. 301; 28 U.S.C. 2461 note (Federal Civil Penalties Inflation Adjustment Act of 1990); Pub. L. 114-74 at sec. 701; Reorganization Plan No. 6 of 1950, 15 FR 3174; 30 U.S.C. 901 et seq., 902(f), 921, 932, 936; 33 U.S.C. 901 et seq.; 42 U.S.C. 405; Secretary's Order 10-2009, 74 FR 58834.

### Source

Source: 65 FR 80054, Dec. 20, 2000, unless otherwise noted.