(1) It is an unlawful employment practice for any employer to require an employee, as a condition of continuation of employment, to pay the cost of any medical examination or the cost of furnishing any health certificate.
(2) Notwithstanding subsection (1) of this section, it is not an unlawful employment practice for an employer to require the payment of medical examination or health certificate costs:
(a) From health and welfare fringe benefit moneys contributed entirely by the employer; or
(b) By the employee if the medical examination or health certificate is required pursuant to a collective bargaining agreement, state or federal statute or city or county ordinance. [Formerly 659.330]