4. This act applies only:
a. to a franchise (1) the performance of which contemplates or requires the franchisee to establish or maintain a place of business within the State of New Jersey, (2) where gross sales of products or services between the franchisor and franchisee covered by such franchise shall have exceeded $35,000.00 for the 12 months next preceding the institution of suit pursuant to this act, and (3) where more than 20% of the franchisee's gross sales are intended to be or are derived from such franchise; or
b. to a franchise for the sale of new motor vehicles as defined in R.S.39:10-2, the performance of which contemplates or requires the franchisee to establish or maintain a place of business within the State of New Jersey.