Does the IRS waive underpayment penalty?

Related questions

1. Can I pay CRA in installments?
2. How many years can you go without filing taxes?
3. Can you go to jail for not filing taxes in Canada?
4. Does the CRA do payment plans?
5. What happens if I owe Revenue Canada money?
6. What happens if I mess up on my taxes?
7. What counts as a hardship?
8. How long does the CRA have to audit you?
9. Will IRS fix errors?
10. What happens if the IRS rejected my efile?

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