Massachusetts Schedule B is an income tax form issued by the Massachusetts Department of Revenue for tax filing purposes. The form is required for individuals, estates, and trusts who need to report their income to the state of Massachusetts. The Massachusetts Schedule B form covers a variety of different income sources and deductions, such as wages, salaries, dividends, capital gains, miscellaneous income, and various itemized deductions. There are several versions of Schedule B, including Form 1-NR/BY for part-year residents and nonresidents, Form 1 for full-year residents, Form 2 for estates and trusts, and Form 3 for fiduciaries.