The state auditor, as the head of the state department of audit, or the director thereof, appointed by him, as designated and defined in Title 7, Chapter 7 of the Mississippi Code of 1972, or any office or officers hereafter designated to replace or perform the duties imposed by said chapter, is hereby empowered, and it is made his duty, to make such rules, regulations and classifications, and prescribe such forms as may be necessary to carry out the provisions of this chapter, to define what expenditures shall be chargeable to each budget account, and to establish such accounting and cost systems as may be necessary to provide accurate budget information.