(a) It shall be unlawful for any person to engage in an environmental health practice after the effective date of this amendatory Act of the 92nd General Assembly unless the person is licensed by the Department as an environmental health practitioner or an environmental health practitioner in training or is an environmental health inspector as defined in this Act.
     (b) It is the responsibility of an individual required to be licensed under this Act to obtain a license and to pay all necessary fees, not the responsibility of his or her employer.