(a) the holder of a flight service licence; or
(b) a person referred to in paragraph 65.050(3)(a) or (d) of CASR;
suffers an incapacity resulting from illness or injury (even if only a
temporary incapacity resulting from a common minor ailment) that is likely to
impair his or her efficiency in performing the duties that he or she is
licensed or authorised to perform, he or she shall not, during the period of
incapacity, perform those duties.