(a) A payor who is an employer is prohibited from discharging, refusing to employ, or taking other disciplinary action against a noncustodial parent under an income withholding order.
(b) Any employer violating this subchapter shall be subject to the contempt powers of the court issuing the order and may be fined up to fifty dollars ($50.00) per day.
(c) The noncustodial parent shall have the burden to prove that income withholding was the sole reason for the employer's action.