No effect on previous determinations— Nothing in this Act shall be construed to change the allocation of assets and recoveries under sections 4044(a) and 4022(c) of the Employee Retirement Income Security Act of 1974 (
29 U.S.C. 1344(a); 1322(c)) as previously determined by the Pension Benefit Guaranty Corporation (referred to in this section as the “corporation”) for the covered plans specified in paragraph (4), and the corporation’s applicable rules, practices, and policies on benefits payable in terminated single-employer plans shall, except as otherwise provided in this section, continue to apply with respect to such covered plans.