No application for a mortgage loan shall be arbitrarily rejected for residential properties within a specified geographical area of the State because of the location and/or age of the property, or, in the case of a proposed mortgagor, arbitrarily vary the terms of a loan or the application requirements or procedures therefor, or reject a mortgage loan because of the race, color, religion, national origin, ethnic background, age, sex, marital status or disability of any of the applicant(s) for a mortgage loan under a Program .
Okla. Admin. Code § 330:15-1-4