DescriptionIf you wish to verify estimated tax payments that have already been made check the Estimated Tax Payment History Application at www. mass. gov/dor. You will need to know the PIN that appeared on the back of your Form 1 booklet or the amount of last year s refund or balance due to access your account. 7 to you. Instructions for filing an appeal can be found online at www. mass. gov/dor. If you are filing an appeal do ...
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