Editorial Notes
Prior Provisions

A prior section 4681, added Pub. L. 96–510, title II, § 231(a), Dec. 11, 1980, 94 Stat. 2804, was contained in subchapter C of this chapter prior to repeal by Pub. L. 99–499, title V, § 514(a)(1), (c), Oct. 17, 1986, 100 Stat. 1767, effective Oct. 1, 1983, with provision for waiver of statute of limitations on claims for overpayment.

Amendments

1997—Subsec. (b)(1)(B). Pub. L. 105–34 added subpar. (B) and struck out heading and text of former subpar. (B). Text read as follows: “The base tax amount for purposes of subparagraph (A) with respect to any sale or use during a calendar year before 1996 with respect to any ozone-depleting chemical is the amount determined under the following table for such calendar year:

“Calendar year:

Base tax amount:

 1993

3.35 

 1994

4.35 

 1995

5.35.”

Subsec. (b)(1)(C). Pub. L. 105–34 struck out heading and text of subpar. (C). Text read as follows: “The base tax amount for purposes of subparagraph (A) with respect to any sale or use of an ozone-depleting chemical during a calendar year after the last year specified in the table under subparagraph (B) applicable to such chemical shall be the base tax amount for such last year increased by 45 cents for each year after such last year.”

1992—Subsec. (b)(1)(B). Pub. L. 102–486 amended subpar. (B) generally, substituting present provisions for former provisions which provided for base tax amounts in cl. (i) of initially listed chemicals for 1990 to 1994 and in cl. (ii) of newly listed chemicals for 1991 to 1995.

1990—Subsec. (b)(1)(B). Pub. L. 101–508 amended subpar. (B) generally, designating existing provision as cl. (i), inserting “with respect to any ozone-depleting chemical other than a newly listed chemical (as defined in section 4682(d)(3)(C))”, and adding cl. (ii).

Subsec. (b)(1)(C). Pub. L. 101–508 amended subpar. (C) generally. Prior to amendment, subpar. (C) read as follows: “The base tax amount for purposes of subparagraph (A) with respect to any sale or use during a calendar year after 1994 shall be the base tax amount for 1994 increased by 45 cents for each year after 1994.”

Statutory Notes and Related Subsidiaries
Effective Date of 1992 Amendment

Pub. L. 102–486, title XIX, § 1931(d), Oct. 24, 1992, 106 Stat. 3029, provided that: “The amendments made by this section [amending this section and section 4682 of this title] shall apply to taxable chemicals sold or used on or after January 1, 1993.”

Effective Date of 1990 Amendment

Pub. L. 101–508, title XI, § 11203(e), Nov. 5, 1990, 104 Stat. 1388–423, provided that: “The amendments made by this section [amending this section and section 4682 of this title] shall take effect on January 1, 1991.”

Effective Date

Pub. L. 101–239, title VII, § 7506(c), Dec. 19, 1989, 103 Stat. 2369, provided that:

“(1)
In general.—
The amendments made by this section [enacting this subchapter] shall take effect on January 1, 1990.
“(2)
No deposits required before april 1, 1990.—
No deposit of any tax imposed by subchapter D of chapter 38 of the Internal Revenue Code of 1986, as added by this section, shall be required to be made before April 1, 1990.
“(3)
Notification of changes in international agreements.—
The Secretary of the Treasury or his delegate shall notify the Committee on Ways and Means of the House of Representatives and the Committee on Finance of the Senate of changes in the Montreal Protocol and of other international agreements to which the United States is a signatory relating to ozone-depleting chemicals.”