Regulation 23 Shipments requiring approval
No person shall send or make a shipment of any of the following without multilateral approval of the shipment:
a Type B(M) package especially designed to allow controlled intermittent venting;
a Type B(M) package containing radioactive material with an activity greater than 3×103 A1 or 3×103 A2, as appropriate, or 1000 TBq, whichever is the lower;
packages containing fissile materials if the sum of the Transport Indexes (TI) of the individual packages exceeds 50.
Application for approval by the Secretary of State of a shipment falling within paragraph (1) shall be made in accordance with Schedule 27.
The approval of a shipment by the Secretary of State under this regulation shall be given by the issue of a certificate.
The approval of the competent authority of another state of a shipment shall be evidenced by a certificate issued by that competent authority.