Okla. Stat. tit. 58, § 58-549: Letters revoked for continued failure

If the executor or administrator resides out of the county, or

absconds, or conceals himself so that the citation cannot be

personally served and neglects to render an account within thirty

(30) days after the time prescribed in this chapter, or if he

neglects to render an account within thirty (30) days after being

committed where the attachment has been executed, his letters must

be revoked.