1. You are a Full-Year Resident if your legal residence (domicile) is in Massachusetts or if you maintain a permanent place of abode in Massachusetts and during the year spend more than 183 days, in the aggregate, in the state. If you fit this description you should file a Massachusetts Resident Income Tax Return, Form 1.
2. You are a Nonresident if you were not a resident of Massachusetts but earned Massachusetts income (e.g., from a job in Massachusetts). You must report such income by filing a Massachusetts Nonresident/Part-Year Resident Income Tax Return, Form 1-NR/PY.
3. You are a Part-Year Resident if you either moved into or moved out of Massachusetts during the taxable year. In this case, you must reduce certain income, deductions and exemptions based on the number of days you were a resident or on the amount of your income that is subject to Massachusetts tax. Part-year residents must file a Massachusetts Nonresident/Part-Year Resident Income Tax Return, Form 1-NR/PY.

If both categories 2 and 3 apply to you, you will have to file both as a nonresident and as a partyear resident. In these cases, you must file one Massachusetts Form 1-NR/PY and complete the Resident/Nonresident Worksheet, Schedule R/NR, to calculate the portion of income earned while a part-year resident and the portion of income earned while a nonresident. If you are required to file as both a part-year resident and a nonresident, be sure to fill in the oval below the address section of Form 1-NR/PY to indicate that you are completing Schedule R/NR and enclose Schedule R/NR with your return. You can not efile in this case. You must mail in your return.

For additional information on how to file as a partyear resident/nonresident, visit DORs website at www.mass.gov/dor or call (617) 887-MDOR or tollfree in Massachusetts 1-800-392-6089.

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