Section 2. Definitions.--As used in this act:
(1) "Appraiser" means a motor vehicle physical damage appraiser. This shall include all persons in this State who practice the appraisal of motor vehicle physical damage.
(2) "Commissioner" means the Insurance Commissioner of the Commonwealth of Pennsylvania.
(3) "Insurer" includes all companies, associations and exchanges engaged in the insurance business of insurance and self-insurers.