Printable 2020 Louisiana Form INS-SUP Schedule (Supplement Schedule for Refund of Louisiana Citizens-2026

1. Click ‘Get Form’ to open the Printable 2020 Louisiana Form INS-SUP Schedule in our editor.
2. Begin by entering your Social Security Number and your name as shown on your tax return. Ensure accuracy to avoid processing delays.
3. In Section 1, compute your required annual payment by filling in your 2020 and 2019 tax liabilities. Enter the smaller amount on Line 3.
4. Proceed to Section 2, where you will calculate the underpayment. Divide the amount from Line 3 by the number of payments required for the year indicated on Line 4.
5. Record any payments made for each period in the designated fields. Subtract these from your required payment to determine if there is an overpayment or underpayment.
6. In Section 3, review any exceptions that may apply to you. If applicable, follow the instructions provided to avoid penalties.
7. Finally, complete Section 4 by calculating any penalties based on your underpayment amounts and enter them as instructed.

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