47 CFR § 61.16 - Base documents.

---
identifier: "/us/cfr/t47/s61.16"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 61.16 - Base documents."
title_number: 47
title_name: "Telecommunication"
section_number: "61.16"
section_name: "Base documents."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "61"
part_name: "TARIFFS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 151, 154(i), 154(j), 201-205, 403, unless otherwise noted."
regulatory_source: "49 FR 40869, Oct. 18, 1984, unless otherwise noted."
cfr_part: "61"
---


# 61.16 Base documents.

(a) The Base Document is a complete tariff which incorporates all effective revisions, as of the last day of the preceding month. The Base Document should be submitted with a cover letter as specified in § 61.15(i) and identified as the *Monthly Updated Base Document.*

(b) If there have been revisions that became effective up to and including the last day of the preceding month, a new Base Document must be submitted within the first five business days of the current month that will incorporate those revisions.

[76 FR 43211, July 20, 2011]