Mail or deliver one copy to the local police department or state police in the city or town where the crash occurred. Mail one copy to your Insurance Company.Provide information on the non-motorist(s) involved in the crash. You must file your report with the Massachusetts RMV within five days of the accident, regardless of whether there is a police report. Call our car accident attorney from Burns and Jain at (617) 2277423 for a free consultation about your injury claim. You should report your injury to the police immediately following your accident. You will have five days after an accident to submit a crash report. The statute of limitations is the amount of time in which you're permitted to file a lawsuit. Provide information on the other vehicle(s) and operator(s) involved in the crash. n. Because Massachusetts is a no-fault state for car insurance, most accident claims are handled through a driver's own insurance company.