CFR›Title 29›Subtitle B›Chapter XL›29 CFR Part 4000 Citation29 CFR Part 4000ContainsSubparts Subpart A–Subpart ECorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 PART 4000—FILING, ISSUANCE, COMPUTATION OF TIME, AND RECORD RETENTION Subparts Subpart A Subpart A—Filing Rules Subpart B Subpart B—Issuance Rules Subpart C Subpart C—Determining Filing and Issuance Dates Subpart D Subpart D—Computation of Time Subpart E Subpart E—Electronic Means of Record Retention Authority29 U.S.C. 1083(k), 1302(b)(3).Source68 FR 61347, Oct. 28, 2003, unless otherwise noted.