Okla. Stat. tit. 75, § 75-304: Filing of adopted rules - Effective date of adopted rule

or Executive Order.

A. Each agency shall file copies of each rule finally adopted

by it with the Secretary, as required by Section 251 of this title.

B. 1. Each rule finally adopted is effective ten (10) calendar

days after publication in "The Oklahoma Register" pursuant to

Section 255 of this title unless a later date is required by statute

or specified in the rule, the agency rule report, or "The Oklahoma

Register", the later date is the effective date. A rule shall only

be applied prospectively from its effective date.

2. a. Subject to applicable constitutional or statutory

provisions, an emergency rule becomes effective

immediately or at a stated date after certification by

the Governor. An emergency rule shall only be applied

prospectively from its effective date.

b. The agency shall take appropriate measures to make

emergency rules known to the persons who may be

affected by them.

C. Executive Orders signed by the Governor shall become

effective upon the date specified therein or immediately upon

issuance.