29 U.S. Code § 1399 - Notice, collection, etc., of withdrawal liability
An employer shall, within 30 days after a written request from the plan sponsor, furnish such information as the plan sponsor reasonably determines to be necessary to enable the plan sponsor to comply with the requirements of this part.
The prohibitions provided in section 1106(a) of this title do not apply to any action required or permitted under this part or to any arrangement relating to withdrawal liability involving the plan.
This chapter, referred to in subsec. (c)(7)(A), was in the original “this Act”, meaning Pub. L. 93–406, known as the Employee Retirement Income Security Act of 1974. Titles I, III, and IV of such Act are classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 1001 of this title and Tables.