Mississippi Code Title 37. Education § 37-28-57

(1) A charter school must adhere to generally accepted accounting principles.

(2) A charter school shall have its financial records audited annually, at the end of each fiscal year, either by the State Auditor or by a certified public accountant approved by the State Auditor. However, a certified public accountant may not be selected to perform the annual audit of a charter school if that accountant previously has audited the charter school for more than three (3) consecutive years. Certified public accountants must be selected in a manner determined by the State Auditor. The charter school shall file a copy of each audit report and accompanying management letter with the authorizer before October 1.