APPLICABILITY (a) This part prescribes the: Requirements for the issue, renewal, reissue, validation, and conversion of aviation personnel licences, ratings, authorisations, endorsements, certificates, and designations; Conditions under which those licences, ratings, authorisations, endorsements, certificates, and designations are necessary; and Privileges and limitations granted to the holders of those licences, ratings, authorisations, endorsements, certificates, and designations.