It shall be an unlawful employment practice for an employment agency to:

(1) Fail or refuse to refer for employment, or otherwise to discriminate against, any individual because of race, color, religion, sex, disability, marital status, national origin, or military or veteran status; or

(2) Classify or refer for employment any individual on the basis of race, color, religion, sex, disability, marital status, national origin, or military or veteran status.