§173.4b. De minimis exceptions. — Inbound Citations

(1) A subsidiary label is not required for a package containing material that satisfies all of the criteria in § 173.4, § 173.4a, or § 173.4b applicable to the subsidiary hazard class.

(4) Hazardous materials which are packaged as small quantities under the provisions of §§ 173.4, 173.4a, 173.4b of this subchapter; and

(ii) The packaging is permitted under, and conforms to, provisions contained in subparts B or C of part 171 of this subchapter or § 173.3, § 173.4, § 173.4a, § 173.4b, § 173.5, § 173.5a, § 173.6, § 173.7, § 173.8, § 173.27, or § 176.11 of this subchapter.

(5) The outer package must be legibly marked “Scientific research specimens, 49 CFR 173.4b applies.”

(23) Non-infectious specimens in preservative solutions transported in accordance with § 173.4b(b) of this subchapter.