---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chIII/subchF"
level: "subchap"
label: "Subchapter F"
heading: "Periodic Reporting, Accounting Practices, and Tax Rules"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chIII-subchF"
sections_count: 75
---

# Subchapter F — Periodic Reporting, Accounting Practices, and Tax Rules

Title 39 C.F.R. — Postal Service › Chapter III — Postal Regulatory Commission

## Contents

- [Part 3050 — Periodic Reporting](/cfr/39/chIII-subchF-part3050.md)
- [Part 3055 — Service Performance and Customer Satisfaction Reporting](/cfr/39/chIII-subchF-part3055.md)
- [Part 3060 — Accounting Practices and Tax Rules for the Theoretical Competitive Products Enterprise](/cfr/39/chIII-subchF-part3060.md)
- [Part 3065 — Rules for Letters Carried Out of the Mail](/cfr/39/chIII-subchF-part3065.md)
- [Part 3066-3099 — Parts 3066-3099 [reserved]](/cfr/39/chIII-subchF-part3066-3099.md)