Okla. Stat. tit. 18, § 18-381.66: Federal associations

Federal associations are not deemed to be foreign associations.

Unless federal laws or regulations provide otherwise, federal

associations, which have their main office in this state, and

members thereof shall possess all of the rights, powers, privileges,

benefits, immunities and exemptions which are provided by this act

or which are now or may be hereafter provided by laws of this state

for associations organized under the laws of this state and for the

members thereof. This provision is additional and supplemental to

any section of this act or other law, which by specific reference is

applicable to federal associations and the members thereof.