Information about Publication 501, including recent updates. Publication 501 discusses some tax rules that affect every U.S. citizen or resident, and covers who must file, who should file, what filing status to use, and the amount of the standard deduction.
Information about Publication 519, U.S. Tax Guide for Aliens, including recent updates. Publication 519 is used to help to determine an individual's status (Nonresident Alien or Resident Alien), and gives information needed to file returns.
Information about Publication 555, Community Property, including recent updates and related forms. Publication 555 discusses community property laws that affect how income is figured for your tax return if you are married, live in a community property state or country, and file separate returns.