Okla. Admin. Code § 210:35-27-3
All course credits earned through examination by elementary, middle level, or high school level students in required curriculum areas shall be appropriately notated on the student's transcript and/or student record. Completion may be recorded with a letter grade or pass notation. Credits earned by a student through examination in accordance with the provisions of 210:35-27-2 shall be transferable to or from any other school districts within the State of Oklahoma in which the student was enrolled, is currently enrolled, or may be enrolled. Credit for units of secondary coursework in curriculum areas required for graduation by 70 O.S. § 11-103.6 shall count to ward meeting the requirements for the high school diploma.
Okla. Admin. Code § 210:35-27-3