Okla. Admin. Code § 252:307-1-6
The term of accreditation is annual, running from September 1 to August 31 the following year. Notwithstanding, an applicant laboratory may apply at any time for initial, interim or renewal accreditation. A laboratory applying for interim accreditation shall meet the same requirements as a laboratory applying for initial accreditation.
Added at 32 Ok Reg 961, eff 9-15-15