(1) A trade union or employers' organization may alter its constitution in accordance with the procedures set out in its own constitution.
(2) A trade union or employers' organization shall transmit any proposed alterations to its constitution to the Registrar and, if the Registrar is satisfied that the said alterations are consistent with the provisions of this Division, the Registrar shall certify the alterations to the constitution and shall issue a written certificate stating the approval and the date on which it was given and, as from that date the new or altered constitution shall have effect.
(3) Subject to section 335(5)(c), a trade union or employers' organization may change the name under which it is registered in the same manner as an alteration of its constitution, and if this section has been complied with, the Registrar shall issue a new certificate and make the necessary alterations in the register.