A warning label, as required by § 18.4(e) of this chapter, shall be attached to all transit air cargo not directly exported from the port of arrival before the cargo leaves the port of arrival.
ACE rules page: Part 122 in plain English
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19 CFR · PART 122
§ 122.115 Labeling of cargo.
Official text · Current as of Oct 19, 2026 · from eCFR
Not legal advice. This is the official text as published in the eCFR, which is updated daily but is not the legal edition. For legal purposes, use the annual Code of Federal Regulations or ask an aviation attorney.