30 U.S.C. § 944
Statement of reasons for denial of claim
Any individual whose claim for benefits under this subchapter is denied shall receive from the Secretary a written statement of the reasons for denial of such claim, and a summary of the administrative hearing record or, upon good cause shown, a copy of any transcript thereof.
( Pub. L. 91–173, title IV, § 434 , as added Pub. L. 95–239, § 14 , Mar. 1, 1978 , 92 Stat. 103 .)