106 C.M.R. 366.540
A household may request a fair hearing within 90 days of the date it is notified of the Department's decision regarding lost benefits.
(B) If a household believes it is entitled to restoration of lost benefits, but the Department, after reviewing the case file, disagrees and informs the household in writing, the household has 90 days from the date of the determination to request a fair hearing. If the household requests a fair hearing and the fair hearing decision is favorable to the household, the Department shall restore the benefits lost up to 12 months prior to the date the Department was initially informed of the household's possible entitlement to lost benefits.
106 CMR DEPARTMENT OF TRANSITIONAL ASSISTANCE