(a) Statutory definitions. All terms used in this part which are defined in section 2 of the Cost Savings Act are used as so defined.

(b) Definitions used in this part. (1) Automobile dealer means any person who engages in the retail sale of new automobiles as a trade or business.

(2) Collision insurance means insurance that reimburses the insured party for physical damage to his property resulting from automobile accidents.

(3) Insurance cost means the insurance premium rate, as expressed in appropriate indices, for collision and medical payment, including personal injury protection in no-fault states.

(4) Medical payment insurance means insurance that reimburses the insured party for medical expenses sustained by himself, his family, and his passengers in automobile accidents.