Dangerous cargo manifest; exceptions.

(a) No dangerous cargo manifest is required for— (1) Shipments by unmanned barge, except on an international voyage; and (2) Shipments of materials designated as potentially dangerous materials in Table 148.10 of this part. (b) When a dangerous cargo manifest is required for an unmanned barge on an international voyage, § 148.71(d) of this part does not apply, unless the barge has more than one cargo compartment.