16 CFR § 300.9
Abbreviations, ditto marks, and asterisks
February 12, 2021
(a) In disclosing required information, words or terms shall not be designated by ditto marks or appear in footnotes referred to by asterisks or other symbols in required information, and shall not be abbreviated.
(b) Where the generic name of a textile fiber is required to appear in immediate conjunction with a fiber trademark, a disclosure of the generic name by means of a footnote, to which reference is made by use of an asterisk or other symbol placed next to the fiber trademark, shall not be sufficient in itself to constitute compliance with the Act and regulations.
[29 FR 6624, May 21, 1964]