171Conditions of authorities

#### 171 Conditions of authorities 171 Conditions of authorities > > (1) The exercise of the functions conferred on a person by an authority is subject to such conditions as the Secretary may specify in the instrument by which the authority is issued and to such further conditions as the Secretary may from time to time impose by order in writing served on that person. > > > (2) The Secretary may from time to time vary or revoke any condition of an authority by means of a further order in writing served on the holder of the authority. > > > (3) An authority is ineffective unless its conditions are complied with.