Utah automatically provides an extension of six months to file your Utah return. There is no form needed to obtain this extension.Requests for extension to file these returns must be submitted to the Tax Commission in writing before the due date of the return. This gives you until October 15 to file without penalties. You can only eFile and IRS tax extension, but not an Utah extension. The tax extension will only avoid late filing penalties until the October deadline. The state of Utah will automatically grant an extension for up to 6 months for individuals to file an income tax return with the state. You'll receive an electronic acknowledgment once you. File Form 4868 and Extend your 1040 Deadline up to 6 Months. File extension in few minutes; No explanation Required; Quick Processing; Instant IRS Approval.