What this notice is about The installment payment is due for your IRC section 965 tax liability. What you need to do Make your annual installment payment on time as required by IRC section 965(h). Frequently asked questions Will I be penalized if I can't pay the full installment amount by the due date? Yes. You may be penalized for failure to pay and the full amount of your net tax liability may become due immediately. Can I elect that an overpayment of my installment be credited to a subsequent tax year or refunded to me if there is an outstanding balance on my IRC Section 965 tax liability? See Questions and answers about reporting related to section 965 on 2017 tax returns, question 14 and/or Questions and answers about tax year 2018 reporting and payments arising under section 965, questions 3 & 4. What should I do if I disagree with the notice? Call the toll-free number listed on your notice to review your account with a representative. Be sure to have your account information available when you call. Reference tools Publication 1, Your Rights as a Taxpayer Notice Topic 651 Notice Topic 653 Full list of tax forms and instructions Need help? You can authorize someone to represent you before the IRS or inspect and/or receive confidential tax information. You may be eligible for free help from the Taxpayer Advocate Service (TAS). See if you qualify for help from a Low Income Taxpayer Clinic. You can request a copy of your notice or letter in Braille or large print. If you can’t find what you need online, call the telephone number on your notice or letter.