You use the mailing address you want the IRS or state to use if they need to mail you a letter or a check.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
If you moved from one state to another during the tax year, you might need to file two state returns-----part year returns for each state, depending on what states you were in. There are some states that have reciprocal agreements, so we would need to know which states you lived and worked in.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**