Time and manner of sampling
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
Except when batch sampling is authorized at an eligible processing plant using licensed inspectors, samples of naval stores to be used for official inspection and certification shall be taken direct from the commercial containers holding such naval stores by or under the immediate supervision of the inspector at the time of inspection.
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.