The joint return is actually less than 70 years old. Did you know that Louisiana played an important role in creating the married filing jointly tax status? Its community property laws paved the way for federal adoption of the filing status.
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How the married filing jointly tax filing status came to be via H&R Block
Source: http://blogs.hrblock.com/2016/02/09/love-marriage-and-filing-jointly-how-the-status-came-to-be/
