Identification of containers
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
Containers packed with naval stores which have been inspected, classified, graded, and certified by a licensed inspector at an eligible processing plant shall be marked to show the name and location or other acceptable identification of the plant, and the legend “U.S. Graded” or “U.S. Inspected”, and, in the case of rosin, the batch number indicating the date of production.
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.