Notice: The uscode.house.gov website is currently operating in a temporary format. While the United States Code remains available from its authoritative source, some website features and functionality are temporarily unavailable.
The United States Code Online is current through Public Law 119-120 (October 7, 2026).
Search & Browse Currency and Updating Classification Tables Popular Name Tool Positive Law Codification Editorial Reclassification Downloads
29 U.S.C. 1397: Application of part in case of certain pre-1980 withdrawals; adjustment of covered planText contains those laws in effect through Public Law 119-120 (October 7, 2026).
From Title 29-LABORCHAPTER 18-EMPLOYEE RETIREMENT INCOME SECURITY PROGRAM

§1397. Application of part in case of certain pre-1980 withdrawals; adjustment of covered plan

(a)  For the purpose of determining the amount of unfunded vested benefits allocable to an employer for a partial or complete withdrawal from a plan which occurs after September 25, 1980, and for the purpose of determining whether there has been a partial withdrawal after such date, the amount of contributions, and the number of contribution base units, of such employer properly allocable⁠—

(1)  to work performed under a collective bargaining agreement for which there was a permanent cessation of the obligation to contribute before September 26, 1980, or

(2)  to work performed at a facility at which all covered operations permanently ceased before September 26, 1980, or for which there was a permanent cessation of the obligation to contribute before that date,

shall not be taken into account.

(b)  A plan may, in a manner not inconsistent with regulations, which shall be prescribed by the corporation, adjust the amount of unfunded vested benefits allocable to other employers under a plan maintained by an employer described in subsection (a).

( Pub. L. 93–406, title IV, § 4217 , as added Pub. L. 96–364, title I, § 104(2) , Sept. 26, 1980 , 94 Stat. 1235 ; amended Pub. L. 98–369, div. A, title V, § 558(b)(1)(A) , (B), July 18, 1984 , 98 Stat. 899 .)

Editorial Notes

Amendments

1984⁠—Subsec. (a). Pub. L. 98–369, § 558(b)(1)(A), (B), substituted “September 25, 1980” for “April 28, 1980” in provisions preceding par. (1) and “September 26, 1980” for “April 29, 1980” in pars. (1) and (2).