Over 13/16 inch staple
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
Cotton which is more than thirteen-sixteenths of an inch in length of staple but is not exactly one of the measurements specified in § 28.302, shall be designated by that one of such measurements which comes nearest under its true measurement.
[22 FR 10930, Dec. 28, 1957. Redesignated at 49 FR 28391, July 12, 1984]
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.