1967—Pub. L. 90–19 substituted “Secretary” for “Commissioner” wherever appearing in subsecs. (a) to (e), (i), and (n).

1960—Subsec. (q). Pub. L. 86–624 struck out “Hawaii,” before “Puerto Rico”.

1959—Subsec. (q). Pub. L. 86–70 struck out “Alaska,” before “Hawaii”.

1952—Subsec. (q). Act July 14, 1952, added subsec. (q).

1951—Subsec. (n). Act Sept. 1, 1951, § 610, inserted “or such lesser amount as shall be agreed upon by the investor and the Commissioner”.

Subsec. (o). Act Sept. 1, 1951, § 612, inserted “and income taxes”.

1950—Act Apr. 20, 1950, substituted “Commissioner” for “Administrator” wherever appearing.