As per Sec. 28B of the Chartered Accountants Act, 1949, the Board shall perform the following functions:-
- to make recommendations to the Council with regard to the quality of services provided by the members of Institute;
- to review the quality of services provided by the members of the Institute including audit services; and
- to guide the members of the Institute to improve the quality of services and adherence to the various statutory and other regulatory requirements.

Further, Government of India has, in exercise of the powers conferred by clauses (f) and (g) of Sub-section (2) of Section 29A read with Section 28C and Sub-section (1) of Section 28D of the Chartered Accountants Act, 1949 (38 of 1949), made ‘Chartered Accountants Procedures of Meetings of Quality Review Board, and Terms and Conditions of Service and Allowances of the Chairperson and Members of the Board Rules, 2006’. Rule 6 specifies that the Board may, in discharge of its functions: –
- on its own or through any specialized arrangement set up under the Institute, evaluate and review the quality of work and services provided by the members of the Institute in such manner as it may decide;
- lay down the procedure of evaluation criteria to evaluate various services being provided by the members of the Institute and to select, in such manner and form as it may decide, the individuals and firms rendering such services for review;
- call for information from the Institute, the Council or its Committees, Members, Clients of members or other persons or organizations, in such form and manner as it may decide, and may also give a hearing to them;

- invite experts to provide expert/technical advice or opinion or analysis on any matter or issue which the Board may feel relevant for the purpose of assessing the quality of work and services offered by the members of the Institute;

- make recommendations to the Council to guide the members of the Institute to improve their professional competence and qualifications, quality of work and services offered and adherence to various statutory and other regulatory requirements and other matters related thereto.