With respect to a consumer credit sale of real estate, other than a sale involving a mobile home and real estate as referred to in section one hundred one of this article or goods which become fixtures, where title is retained or there is created or retained by agreement a purchase money lien against the real estate, the seller may contract for and receive a sales finance charge not exceeding the interest permitted by section five, article six, chapter forty-seven of this code.
In addition to the sales finance charge permitted by this section with respect to such sale, a seller may also contract for and receive additional charges, delinquency charges, and deferral charges and compute rebates upon prepayment, refinancing or consolidation as defined and authorized by this chapter.