§ 1509.
The Secretary may designate an officer of the Department to sign minor routine official papers and documents during the temporary absence of the Secretary, the Under Secretary, and the Assistant Secretaries of the Department.
([May 21, 1945, ch. 129], title III, § 301, [59 Stat. 188]; [July 15, 1947, ch. 251], [61 Stat. 326].)