Financial duties of the Auditor include the preparation of the County's budget from material submitted by its departments and other agencies and issuing payment for all services, materials and payroll charged to Mills County.

The County Auditor is ex-officio clerk of the Board of Supervisors, and the following are some of the duties:

	Custodian of buildings subject to Board of Supervisors.
	Acts as secretary and keeps journal of the Board of Supervisors proceedings.
	Computes tax levies, figures taxes and prepares tax books for Treasurer.
	Compiles and computes agricultural land credits, homestead credits, military exemptions and apportions on tax lists.
	Issues warrants for claims, files and records claims allowed by Supervisors.
	Files plats, profiles, custodian of voting machines.
	Clerk of official canvass of elections, receives and records elections returns and certifies same to Secretary of State.
	Keeps tax account and cash account with County Treasurer showing all receipts and expenditures.
	Keeps and records reports of county officers, township clerks and trustees.
	Enters all real estate deeds in plat and transfer books before same are recorded.
	Custodian of official bonds of all officers, except the Auditor, Board of Supervisors and Magistrates.
	Prepares and publishes financial report at end of each year.
	Issues cigarette, beer and liquor licenses to dealers outside cities.