1990—Subsec. (f). Pub. L. 101–286 amended subsec. (f) generally. Prior to amendment, subsec. (f) read as follows: “Volunteers shall not be deemed employees of the United States except for the purposes of the tort claims provisions of title 28 and subchapter 1 of chapter 81 of title 5, relating to compensation for work injuries.”

1984—Subsecs. (d) to (g). Pub. L. 98–540 added subsecs. (d) to (g).