It it's been mailed to you, then it will show in the computer system...if you get pulled over. They seem to be taking a little longer...you can check on line too at mass.gov/rmv
If your registration is about to expire... You should contact the RMV... You may be able to renew online & print out proof of registration.... All cars in MA get a sticker to apply on the rear license plate.... This proves registration. All cars must have insurance b4 getting approved for registration.
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