Okla. Stat. tit. 16, § 16-13: Conveyance of separate property

A. The husband or wife may convey, mortgage or make any

contract relating to any real estate, other than the homestead,

belonging to him or her, as the case may be, without being joined by

the other in such conveyance, mortgage or contract.

B. In the event a recorded conveyance of nonhomestead property

has been executed by a married grantor without being joined by his

or her spouse, said conveyance shall still be considered a valid

conveyance of marketable title if one of the following instruments

is placed of record:

1. An affidavit executed by the nonjoining spouse stating that

the property conveyed was nonhomestead property; or

2. A conveyance executed by the nonjoining spouse, with or

without others, relinquishing any claim to an interest in the

property to the same grantee, or to a successor or successors in

interest, with a recitation that the property was nonhomestead

property.