(1) Section 92(1)--
omit, insert--
'(1) This section applies if a harbour master reasonably believes a light, sign, signal, electrical or radio installation or equipment or anything else (a source of interference)--
(a) may be or has been mistaken for, may interfere or is interfering with, or may otherwise affect or is otherwise affecting the proper operation of, an aid to navigation; or
(b) may otherwise affect the safe operation of ships.'.
(2) Section 92(2)(b), 'believes, on reasonable grounds,'--
omit, insert--
'reasonably believes'.