(a) Filing date. Any notice, document, or information required to be filed with the PBGC under this part shall be deemed filed on the date of the postmark stamped on the cover in which the notice, document, or information is mailed, provided that the postmark was made by the United States Postal Service and the document was mailed postage prepaid, properly packaged and addressed to the PBGC. If these conditions are not met, the document is considered filed on the date it is received by the PBGC. Documents received after regular business hours are considered filed on the next regular business day.

(b) Address. Any notice, document, or information required to be filed with the PBGC under this part shall be sent by mail or submitted by hand during normal working hours to Reports Processing, Insurance Operations Department, Pension Benefit Guaranty Corporation, 1200 K Street NW., Washington, DC 20005-4026.