(a) Applicability. Exceptions for hazardous materials shipments in the following paragraphs are permitted only if this section is referenced for the specific hazardous material in the § 172.101 tableTable or in a packaging section in this part. (b) ORM-DAdditional packaging exceptions. Packagings for ORM-Dlimited quantity materials are specified according to hazard class in §§ 173.150 through 173.155, 173.306, and in § 173.306309(b). In addition to other exceptions specifiedprovided for ORM-Dlimited quantity materials elsewhere in this part, the following are provided: (1) Strong outer packagings as specified in this part, marking requirements specified in subpart D of part 172 of this subchapter, and the 30 kg (66 pounds) gross weight limitation are not required for materials classed as ORM-D when— (i) Unitized in cages, carts, boxes or similar overpacks; (ii) Offered for transportation or transported by: (A) Rail; (B) Private or contract motor carrier; or (C) Common carrier in a vehicle under exclusive use for such service; and (iii) Transported to or from a manufacturer, a distribution center, or a retail outlet, or transported to a disposal facility from one offeror. (2) The 30 kg (66 pounds) gross weight limitation does not apply to packages of limited quantity materials classedmarked asin ORM-Daccordance with § 172.315 of this subchapter when offered for transportation, or transported, by highway or rail between a manufacturer, a distribution center, and a retail outlet provided— (i) Inner packagings conform to the quantity limits for inner packagings specified in §§ 173.150(b), 173.152(b), 173.154(b), 173.155(b), and 173.306 (a) and (b), and 173.309(b), as appropriate; (ii) The inner packagings are packed into corrugated fiberboard trays to prevent them from moving freely; (iii) The trays are placed in a fiberboard box which is banded and secured to a