A Manual of Standards issued under regulation 145.015 may specify the following matters in relation to CAR maintenance activities:
(a) ratings for kinds of aircraft, aircraft components and aircraft materials;
(b) requirements for a Part 145 organisation's exposition;
(c) the privileges that apply to an approval rating;
(d) requirements for undertaking CAR maintenance activities, including requirements in relation to the following:
(i) a system of certification of completion of maintenance;
(ii) aircraft, aircraft components and aircraft materials;
(iv) writing procedures for meeting the requirements of Parts
4, 4A and 4B of CAR.