Regulation 10 Exercise of a right of retention
(1)
A right of retention shall be exercisable by means of the presentation by the grantee to the Secretary of State of—
(a)
the retention document or a duplicate retention document; and
(b)
the registration document issued under the 1971 Act in respect of the vehicle to which the grantee proposes that the registration mark be assigned, being a vehicle registered in the name of the grantee or his nominee as recorded in the retention document.