§ 9708.
All liability for contributions to the Combined Fund that arises on and after February 1, 1993, shall be determined exclusively under this chapter, including all liability for contributions to the 1950 UMWA Benefit Plan and the 1974 UMWA Benefit Plan for coal production on and after February 1, 1993
(Added [Pub. L. 102–486, title XIX, § 19143(a)], Oct. 24, 1992, [106 Stat. 3051].)