The services of officers of the IAAS are lent to State Government for functioning as Financial Advisers Chief Accounts Officers, Chief Internal Audit Officers and so on.

The hierarchy:
During the course of their probation, direct recruits to this service work as Assistant Accountant General. The heirarchy after that is: Deputy Accountant General > Senior Deputy Accountant General > Accountant General > Director of Audits > Additional CAG > Dy. CAG (equivalent in rank to a secretary to the Government of India).