Okla. Stat. tit. 15, § 15-136: Statute of frauds

The following contracts are invalid, unless the same, or some

note or memorandum thereof, be in writing and subscribed by the

party to be charged, by an agent of the party or by a broker of the

party pursuant to Sections 858-351 through 858-363 of Title 59 of

the Oklahoma Statutes:

1. An agreement that, by its terms, is not to be performed

within a year from the making thereof;

2. A special promise to answer for the debt, default or

miscarriage of another, except in the cases provided for in the

article on guaranty;

3. An agreement made upon consideration of marriage, other than

a mutual promise to marry; or

4. An agreement for the leasing for a longer period than one

(1) year, or for the sale of real property, or of an interest

therein; and such agreement, if made by an agent or a broker of the

party sought to be charged, is invalid, unless the authority of the

agent or the broker be in writing, subscribed by the party sought to

be charged.

R.L. 1910, § 941. Amended by Laws 2003, c. 31, § 1, eff. Nov. 1,

2003; Laws 2013, c. 240, § 1, eff. Nov. 1, 2013.