16 CFR § 301.4 - Abbreviations or ditto marks prohibited.
---
identifier: "/us/cfr/t16/s301.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "16 CFR § 301.4 - Abbreviations or ditto marks prohibited."
title_number: 16
title_name: "Commercial Practices"
section_number: "301.4"
section_name: "Abbreviations or ditto marks prohibited."
chapter_name: "FEDERAL TRADE COMMISSION"
subchapter_number: "C"
subchapter_name: "REGULATIONS UNDER SPECIFIC ACTS OF CONGRESS"
part_number: "301"
part_name: "RULES AND REGULATIONS UNDER FUR PRODUCTS LABELING ACT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 69"
cfr_part: "301"
---
# 301.4 Abbreviations or ditto marks prohibited.
In disclosing required information in labeling and advertising, words or terms shall not be abbreviated or designated by the use of ditto marks but shall be spelled out fully, and in invoicing the required information shall not be abbreviated but shall be spelled out fully.