(1) The Head of Faculty may issue a general authorisation for persons of a particular class to undertake anatomical examinations for a purpose specified in the authorisation.(2) The general authorisation is to be issued on (a) the prescribed conditions, if any; and(b) such other conditions as the Head of Faculty thinks fit.(3) The general authorisation (a) is to be in writing; and(b) is to specify the conditions of the authorisation, if any; and(c) takes effect on (i) the day on which the authorisation is issued; or(ii) such later day as may be specified in the authorisation; and(d) has effect (i) for such period as is specified in the authorisation; or(ii) if no period is specified in the authorisation, until it is revoked by the Head of Faculty.