(a) Prohibition of discrimination based on national origin or citizenship status (1) General rule It is an unfair immigration-related employment practice for a person or other entity to discriminate against any individual (other than an unauthorized alien, as defined in section 1324a(h)(3) of this title) with respect to the hiring, or recruitment or referral for a fee, of the individual for employment or the discharging of the individual from employment– (A) because of such individual’s national origin, or (B) in the case of a protected individual (as defined in paragraph (3)), because of such individual’s citizenship status. (2) Exceptions Paragraph (1) shall not apply to– (A) a person or other entity that employs three or fewer employees, (B) a person’s or entity’s discrimination because of an individual’s national origin if the discrimination with respect to that person or entity and that individual is covered under section 703 of the Civil Rights Act of 1964 [42 U.S.C.A. § 2000e-…