Amends GS 147-64.6 to require the Auditor to conduct a financial audit of (1) all principal state departments annually (defined in GS 147-64.4 as the departments of Health and Human Services, Public Instruction, Public Safety, Revenue, State Treasurer, and Transportation) and (2) all other state departments and agencies once every two years. Provides direction on the format of the audits and allows the Auditor to charge and collect the costs of the audit from each state department or agency. Makes technical changes. Effective January 1, 2016.