https://ttlc.intuit.com/community/state-taxes/discussion/re-estimated-tax-error/01/1603745#M69696 <P>you can check your state's 2018 return.&nbsp; it should show the overpayment applied.&nbsp; &nbsp; you should try your state's website.&nbsp; Most allow you to check the 2019 estimated tax payments and&nbsp; the 2018 overpayment applied to 2019</P><P>&nbsp;</P> Sat, 23 May 2020 19:52:50 GMT Anonymous 2020-05-23T19:52:50Z https://ttlc.intuit.com/community/state-taxes/discussion/estimated-tax-error/01/1603723#M69695 <P>My tax returns appear to have applied 2018's state overpayment twice towads our 2019 estimated payments. What's the easiest way to figure out where I did that and see if affects federal taxes as well?</P> Sat, 23 May 2020 19:40:37 GMT https://ttlc.intuit.com/community/state-taxes/discussion/estimated-tax-error/01/1603723#M69695 lsigman 2020-05-23T19:40:37Z https://ttlc.intuit.com/community/state-taxes/discussion/re-estimated-tax-error/01/1603745#M69696 <P>you can check your state's 2018 return.&nbsp; it should show the overpayment applied.&nbsp; &nbsp; you should try your state's website.&nbsp; Most allow you to check the 2019 estimated tax payments and&nbsp; the 2018 overpayment applied to 2019</P><P>&nbsp;</P> Sat, 23 May 2020 19:52:50 GMT https://ttlc.intuit.com/community/state-taxes/discussion/re-estimated-tax-error/01/1603745#M69696 Anonymous 2020-05-23T19:52:50Z