In 1956, the U.S. states and Canadian areas went to a concurrence with the American Association of Motor Vehicle Administrators, the Automobile Manufacturers Association and the National Safety Council that institutionalized the size for tags for vehicles (aside from those for bikes) at 6 inches (15 cm) in stature by 12 inches (30 cm) in width, with institutionalized mounting holes. 1955 (dated 1956) issue was the principal Massachusetts tag that followed these gauges.
From the year of 1969, serials on the Massachusetts plates have been coded with the long stretch of lapse of the last numeric character, utilizing 1 for January through 0 for October. X and Y were utilized from 1969 to 1977 for November and December. Registrants have issued plates lapsing the most recent day of the earlier month. On the off chance that a vehicle is enlisted in December or January (so November and December plates would be called for), remaining plates are issued from different months with assembling overwhelms.
Notwithstanding the standard numbering groups, Massachusetts additionally issues “hold” plates. Save plates allow the plate holder to get a similar plate number when new plate styles are issued, or to exchange the plate number to relatives. Registration for the lottery, for the most part, starts every June, and the illustration must be held by September 15. Before the establishment of this yearly lottery, low digit save plates were issued just to all around associated people, and it is broadly trusted that drivers with low enrollment numbers were given particular treatment by legal requirement. The yearly lottery was initiated in light of grievances about the legislative issues behind the issuance of low-number registrations. As with standard enrollment plates, the last digit on low-number save plates shows the period of lapse.