Okla. Stat. tit. 41, § 41-4: Time of notice to terminate tenancy

Thirty (30) days' notice in writing is necessary to be given by

either party before he can terminate a tenancy at will, or from one

period to another, of three (3) months or less; but where in any

case rent is reserved, payable at intervals of less than thirty (30)

days, the length of notice need not be greater than such interval

between the days of payment.