---
kind: "unit"
title: "29"
title_heading: "Labor"
key: "subtB/chXL/subchA/part4000"
level: "part"
label: "Part 4000"
heading: "Filing, Issuance, Computation of Time, and Record Retention"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/29/subtB-chXL-subchA-part4000"
sections_count: 29
---

# Part 4000 — Filing, Issuance, Computation of Time, and Record Retention

Title 29 C.F.R. — Labor › Subtitle B — Regulations Relating to Labor › Chapter XL — Pension Benefit Guaranty Corporation › Subchapter A — General

## Contents

- [Subpart A — Filing Rules](/cfr/29/subtB-chXL-subchA-part4000-subpartA.md)
- [Subpart B — Issuance Rules](/cfr/29/subtB-chXL-subchA-part4000-subpartB.md)
- [Subpart C — Determining Filing and Issuance Dates](/cfr/29/subtB-chXL-subchA-part4000-subpartC.md)
- [Subpart D — Computation of Time](/cfr/29/subtB-chXL-subchA-part4000-subpartD.md)
- [Subpart E — Electronic Means of Record Retention](/cfr/29/subtB-chXL-subchA-part4000-subpartE.md)