122.—(1) The CAA shall grant a licence subject to such conditions as it thinks fit to any person aged 18 years or more to act as a flight information service officer upon its being satisfied that the applicant is a fit person to hold the licence and is qualified by reason of his knowledge, experience, competence, skill and physical and mental fitness so to act, and for that purpose the applicant shall furnish such evidence and undergo such examinations and tests and undertake such courses of training as the CAA may require of him.
(2) A licence to act as a flight information service officer—
(a)may be renewed by the CAA from time to time, upon being satisfied that the applicant is a fit person and is qualified as aforesaid;
(b)shall remain in force, subject to article 92, for the period indicated in the licence or if no period is indicated, for the lifetime of the holder.
(3) A flight information service officer's licence shall not authorise the giving of a flight information service at an aerodrome or area control centre unless that aerodrome or area control centre has been specified in the licence by a person authorised by the CAA for the purpose and the licence has been validated in respect of that aerodrome or area control centre by a person authorised for the purpose by the CAA.
(4) If, throughout any period of 90 days the holder of the licence has not at any time given such a service at a particular aerodrome or area control centre, the licence shall cease to be valid for that aerodrome or area control centre at the end of that period until the licence has been revalidated in respect of that aerodrome or area control centre by a person authorised by the CAA for the purpose.
(5) A licence to act as a flight information service officer shall not be valid unless the holder of the licence has signed his name thereon in ink or indelible pencil with his ordinary signature.
(6) Every holder of a flight information service officer's licence shall upon such occasions as the CAA may require, submit himself to such examinations and tests and furnish such evidence as to his knowledge, experience, competence and skill and undergo such courses of training as the CAA may require.