16 CFR 301.4 - Abbreviations or ditto marks prohibited.

Regulations last checked for updates: Feb 10, 2026

Title 16 - Commercial Practices last revised: Dec 15, 2025

View all text of Part 301 [§ 301.0 - § 301.49]

§ 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.

authority: 15 U.S.C. 69

cite as: 16 CFR 301.4