As used in sections 48-220 to 48-223, unless the context otherwise requires, employer shall mean and include an individual, a partnership, a limited liability company, an association, a corporation, a legal representative, a trustee, a receiver, a trustee in bankruptcy, and any common carrier by rail, motor, water, air, or express company doing business in or operating within the state.

It shall be unlawful for any employer, as defined in section 48-220, to require any applicant for employment, to pay the cost of a medical examination required by the employer as a condition of employment. When the employer requests an applicant for a position to submit to a medical examination, the employer shall assume the cost thereof.

Any employer who violates the provisions of section 48-221 shall be guilty of a Class V misdemeanor. Each violation shall constitute a separate offense. It shall be the duty of the Commissioner of Labor to enforce the provisions of sections 48-220 to 48-223.

The provisions of sections 48-220 to 48-223 shall not apply to any employment relationship entered into by the state or any subdivision of the state when a physical examination is required by law as a condition of employment.