40 C.F.R. § 35.3165
(b) Matters to establish in the annual report. In addition to the requirements in section 606(d) of the Act, in its annual report the State must establish that it has:
(4) The audit report must be completed within one year of the end of the appropriate accounting period and submitted to the Office of the Inspector General within 30 days of completion. In cases of State conducted audits, the State will be notified within 90 days as to the acceptability of the audit report and its findings. Audits may be done in conjunction with the Single Audit Act.
(Approved by the Office of Management and Budget under control number 2040-0118)