A booklet of T2M forms shall be issued at the request of the shipowner or his representative by the customs authorities of the port of registry or home port of the vessel. It shall be issued only when the shipowner or his representative has completed, in the language of the form, boxes 1 and 2 of all the originals and copies of the forms contained in the booklet. When issuing the booklet, the customs authorities shall complete box 3 of all the originals and copies of the forms in the booklet.