The diving contractor
5.—(1) No person at work shall dive in a diving project and no employer shall employ any person in such a project unless there is one person and one person only who is the diving contractor for that project.
(2) The diving contractor shall, subject to paragraph (3), be the person who—
(a)is the employer of the diver or divers engaged in the diving project; or
(b)dives in the diving project as a self-employed diver.
(3) Where there is more than one person falling within paragraph (2) those persons shall jointly appoint in writing before the commencement of the diving project one of themselves to act as diving contractor.