clause (A) shall be deemed to be 55 per centum and the 60 per centum specified in clause (B) shall be deemed to be 65
per centum, if and to the extent that such earnings are subject to garnishment to enforce a support order with respect
to a period which is prior to the twelve-week period which ends with the beginning of such workweek.
(c) Execution or enforcement of garnishment order or process prohibited
No court of the United States or any State, and no State (or officer or agency thereof), may make, execute, or enforce
(Pub.L. 90-321, Title III, § 303, May 29, 1968, 82 Stat. 163; Pub.L. 95-30, Title V, § 501(e)(1)-(3), May 23, 1977, 91 Stat.