Okla. Stat. tit. 58, § 58-187: Refusal to give new sureties - Revocation of letters

If the executor or administrator neglects or refuses to give new

sureties, to the satisfaction of the judge, on the return of the

citation, or within such reasonable time as the judge shall allow,

unless the surety making the application shall consent to a longer

extension of time, the judge must, by order, revoke his letters.