29 CFR § 4281.3 - Filing and issuance rules.
(a) Method of filing. Filing with PBGC under this part must be made by a method permitted under the rules in subpart A of part 4000 of this chapter.
(b) Method of issuance. The notices under this part must be issued to participants and beneficiaries by the methods provided in § 4281.32(c) for notices of benefit reductions, § 4281.43(c) for notices of insolvency, and § 4281.45(d) for notices of insolvency benefit level.
(c) Filing and issuance dates. The date that a filing is sent and the date that an issuance is provided are determined under the rules in subpart C of part 4000 of this chapter.
(d) Where to file. Filings with PBGC under this part must be made as described in § 4000.4 of this chapter.
(e) Computation of time. The time period for filing or issuance under this part must be computed under the rules in subpart D of part 4000 of this chapter.