A person sent a pre-offset notice may ask for a hearing to contest the department's action. If mailed to the department, the request must be postmarked not later than 30 days after the date the notice was mailed. If delivered to an office of the department, the request must be delivered not later than 30 days after the notice was mailed
10- 144 C.M.R. ch. 400, § 4-4