SECTION 1. Section 5 of chapter 90 of the General Laws is hereby amended by adding at the end thereof the following subsections:-

(i) Notwithstanding any general or specific law to the contrary, the registrar shall not increase any individual fee by more than 2.5 per cent in a calendar year.

(j) The registrar shall offer a discount for any person registering 5 or more units in a calendar year. For the purposes of this section, a unit shall include: any vehicle subject to a commercial normal, commercial reserved, commercial, vanity, snow removal, hearse, limited use, auto home normal, auto home reserved, auto home vanity, bus normal, bus reserved, bus vanity, livery normal, livery limited use, livery reserved, livery vanity, semi trailer normal, semi trailer reserved, trailer normal, trailer reserved, taxi normal, taxi limited used, taxi reserved, or van pool normal registration. This discount shall be in an amount of no less than 10 per cent of each registration fee they would otherwise incur.

(k) The registrar shall issue a report to the legislature within 90 days of the acceptance of this act. This report shall offer recommendations to reduce the cost of operating a commercial vehicle or unit in Massachusetts in order to promote competition with neighboring states. This report shall be submitted to the chairs of the Joint Committee on Transportation.