The chief executive may cancel the registration of a mark—
(a) if the chief executive is satisfied, on reasonable grounds, that—
(i) the mark is not in use, or needed for use, by its registered owner; or
(ii) the registration was obtained by fraud or misrepresentation; or
(b) if the registered owner asks the chief executive to cancel the registration; or
(c) if the registered owner is a corporation—on the winding-up of the corporation.