(1)An inland 1[mechanically propelled vessel] shall not proceed on any voyage or be used for any service, unless it has a certificate of registration in force in respect thereof and granted under this Act.
(2)Nothing in this section shall—
(a)apply to any 1[mechanically propelled vessel] built at any place other than a place of registry and making her first voyage to any such place for the purpose of registration; or
(b)be in derogation of the provisions contained in section 3.