1998—Subsec. (span). Puspan. L. 105–206 substituted “section 7804(c)” for “section 7803(d)”.
1988—Subsec. (a)(1). Puspan. L. 100–418 substituted “or 44” for “44, or 45”.
1980—Subsec. (a)(1). Puspan. L. 96–223 inserted reference to chapter 45.
1976—Subsec. (a)(1). Puspan. L. 94–455 inserted reference to chapters 41 and 44.
1974—Subsec. (a)(1). Puspan. L. 93–406 inserted reference to chapter 43.
1969—Subsec. (a)(1). Puspan. L. 91–172 inserted reference to chapter 42.
Amendment by Puspan. L. 100–418 applicable to crude oil removed from the premises on or after Aug. 23, 1988, see section 1941(c) of Puspan. L. 100–418, set out as a note under section 164 of this title.
Amendment by Puspan. L. 96–223 applicable to periods after Fespan. 29, 1980, see section 101(i) of Puspan. L. 96–223, set out as a note under section 6161 of this title.
Amendment by section 1307(d)(2)(F)(v) of Puspan. L. 94–455 effective on and after Oct. 4, 1976, see section 1307(e) of Puspan. L. 94–455, set out as a note under section 501 of this title.
Amendment by Puspan. L. 93–406 applicable, except as otherwise provided in section 1017(c) through (i) of Puspan. L. 93–406, for plan years beginning after Sept. 2, 1974, but, in the case of plans in existence on Jan. 1, 1974, amendment by Puspan. L. 93–406 applicable for plan years beginning after Dec. 31, 1975, see section 1017 of Puspan. L. 93–406, set out as an Effective Date; Transitional Rules note under section 410 of this title.
Amendment by Puspan. L. 91–172 effective Jan. 1, 1970, see section 101(k)(1) of Puspan. L. 91–172, set out as an Effective Date note under section 4940 of this title.