Complete and mail to address on top of application. A demand letter: Give your landlord a chance to return your deposit without having to go to court.Or try the MassAccess interactive interview. Refund processing time: Please allow 60 days from the date we receive your completed application—both. About the Form 1099. A specimen Form 1099-MISC. Welcome to MassTaxConnect, the Massachusetts Department of Revenue's web-based application for filing and paying taxes in the Commonwealth.