Section 4 in The Indian Cost Accounts Service Rules, 2001
4. Grades, authorized strength and its review.
(1)The duty posts included in the various grades of the Service, their number and scales of pay shall be as specified in Schedule-I, Part A.(2)The break-up of the duty posts included in the Service and the names of the participating Ministries or Departments or Organisation in which these posts exist shall be as specified in Schedule I, Part B.(3)The Government may, in consultation with the Commission, include in the Service any post other than those included in Schedule I - Part B or exclude from the Service a post included in the said Schedule.
