Notwithstanding any agreement, the following alone shall not constitute good cause for the termination, cancellation, nonrenewal or discontinuance of a dealer agreement under subdivision (d), subsection (1), section four of this article:
(a) A change in ownership of the new motor vehicle dealer's dealership. The subdivision does not authorize any change in ownership which would have the effect of a sale or an assignment of the dealer agreement or a change in the principal management of the dealership without the manufacturer's or distributor's prior written consent.
(b) The refusal of the new motor vehicle dealer to purchase or accept delivery of any new motor vehicle parts, accessories, or any other commodity or services not ordered by the new motor vehicle dealer.
(c) The fact that the new motor vehicle dealer owns, has an investment in, participates in the management of, or holds a dealer agreement for the sale of another make or line of new motor vehicles, or that the new motor vehicle dealer has established another make or line of new motor vehicles in the same dealership facilities as those of the manufacturer or distributor: Provided, That the new motor vehicle dealer maintains a reasonable line of credit for each make or line of new motor vehicles, and that the new motor vehicle dealer remains in substantial compliance with the terms and conditions of the dealer agreement and with any reasonable facilities' requirements of the manufacturer or distributor.
(d) The fact that the new motor vehicle dealer sells or transfers ownership of the dealership or sells or transfers capital stock in the dealership to the new motor vehicle dealer's spouse, son or daughter: Provided, That the sale or transfer shall not have the effect of a sale or an assignment of the dealer agreement or a change in the principal management of the dealership without the manufacturer's or distributor's prior written consent.