What kind of documentation should I keep for my underpayment penalty waiver request?
If you are requesting a waiver due to retirement or disability, keep documentation that shows your retirement date and your age on that date, or the date you became disabled.
If you are requesting a waiver due to a casualty, disaster or other unusual circumstance, keep documentation such as copies of police and insurance company reports.
If you are requesting a waiver due to a casualty, disaster or other unusual circumstance, keep documentation such as copies of police and insurance company reports.
