Okla. Stat. tit. 25, § 25-1303: Discriminatory practices - Employment agencies

It is a discriminatory practice for an employment agency to fail

or refuse to refer for employment, or otherwise to discriminate

against, an individual because of race, color, religion, sex,

national origin, age, genetic information or disability, unless the

agency can demonstrate that accommodation for the disability would

impose an undue hardship on the operation of the business of such

agency, or to classify or refer for employment an individual on the

basis of race, color, religion, sex, national origin, age, genetic

information or disability, unless the agency can demonstrate that

accommodation for the disability would impose an undue hardship on

the operation of the business of such agency.