1996 - Subsec. (a). Pub. L. 104-106 struck out second comma after ''quarters''. 1984 - Subsec. (a). Pub. L. 98-557, Sec. 17(e)(1)(A), substituted ''except in the Department of Defense and in the Department of Transportation with respect to the Coast Guard when it is not operating as a service in the Navy'' for ''except in the War and Navy Departments''.

Pub. L. 98-557, Sec. 17(e)(1)(B), substituted '', transportation, or medical and hospital supplies'' for ''or transportation'', such change having been made by Act June 12, 1906, thereby requiring no further change in text. See Repeals note below.

Subsec. (b). Pub. L. 98-557, Sec. 17(e)(2), inserted provisions relating to the Secretary of Transportation with respect to the Coast Guard when it is not operating as a service in the Navy. 1966 - Pub. L. 89-687 designated existing provisions as subsec. (a) and added subsec (b). 1906 - Act June 12, 1906, inserted ''medical and hospital supplies''

For effective date and applicability of amendment by Pub. L. 104-106, see section 4401 of Pub. L. 104-106, set out as a note under section 251 of this title

The first proviso under the heading ''medical department'' in act June 12, 1906, ch. 3078, 34 Stat. 255, cited as a credit to this section, was repealed by Pub. L. 98-557, Sec. 17(e)(3), Oct. 30, 1984, 98 Stat. 2868