Any permit, license and certification for an activity regulated by the Board, as described in 785:1-9-2, shall be issued or denied within six (6) months after the Board receives a completed application or notice of completion therefor which is deemed complete by the Board, unless the time is extended as provided in 785:1-9-3. If the application for a permit, license, or certification requires notice and opportunity for hearing, the Board shall issue or deny the application within six (6) months of the end of the notice period.
Okla. Admin. Code § 785:1-9-1