Easily and securely pay your tax online with your credit card, an electronic check (ACH debit), or other electronic options. Utah does not require quarterly estimated tax payments.You can prepay at any time at tap.utah. If you are required to complete a financial declaration you must complete all of it and use the court-approved form. Child support is calculated using the gross monthly income of both parents and the number of overnights the child spends in each household. Visit Federal Student Aid to submit your FAFSA. The USU school code for the FAFSA is 003677. With either option, payments start in January of the year taxes are due in November. Submit the Online Application: Fill out and submit the online scholarship application to be considered. How do I enroll in a past due payment plan?