9 C.F.R. § 381.104
Export inspection marks
The export inspection mark required in § 381.105 must be either a mark that contains a unique identifier that links the consignment to the export certificate or an official mark with the following form:

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The export inspection mark required in § 381.105 must be either a mark that contains a unique identifier that links the consignment to the export certificate or an official mark with the following form:
