Okla. Stat. tit. 22, § 22-251: Magistrate must inform defendant of charge and rights

When the defendant is brought before a magistrate upon an

arrest, either with or without a warrant, on a charge of having

committed a public offense, the magistrate must immediately inform

him of the charge against him, and of his right to the aid of

counsel in every stage of the proceedings, and also of his right to

waive an examination before any further proceedings are had.