710:50-3-36 Residency
(a) An Oklahoma resident is a person domiciled in this state. "Domicile" is the place established as a person's true, fixed, and permanent home. A domicile, once established, remains until a new one is established. (b) One is presumed to retain his Oklahoma residency if he has: (1) An Oklahoma Homestead Exemption; (2) His family remains in Oklahoma; (3) He retains an Oklahoma drivers license; (4) He intends to return to Oklahoma; or (5) He has not abandoned his Oklahoma residence.