(a) an authorised person entitled to carry on the relevant reserved instrument activities in accordance with the regulatory arrangements of the relevant approved regulator or licensing authority, as the case may be, (b) an individual or body who employs, or being a body has among its managers, at least one authorised person entitled to carry on the relevant reserved instrument activities and who will carry on or direct and supervise the carrying on of the relevant reserved instrument activities as such employee or manager, in accordance with the regulatory arrangements of the relevant approved regulator or licensing authority, as the case may be, or (c) a person who carries on the relevant reserved instrument activities in the course of that person's duty as a public officer.