Utah automatically provides an extension of six months to file your Utah return. There is no form needed to obtain this extension.This gives you until October 15 to file without penalties. The IRS allows taxpayers to request an automatic sixmonth extension to file their tax returns, moving the deadline from April 15 to October 15. The state of Utah doesn't require any extension Form as it automatically grants extensions up to 6 months. Extensions Utah provides an automatic sixmonth extension to file income tax returns, but this is not an extension of time to pay taxes. A Utah business extension will give you 6 extra months to file your state return. There is no Utah extension application to submit. Extensions Utah provides an automatic sixmonth extension to file income tax returns, but this is not an extension of time to pay taxes. An extension will give you extra time to gather the necessary documents and accurately complete your return.