https://ttlc.intuit.com/community/taxes/discussion/i-don-t-know-what-to-put-for-state-tax-underpayment-penalty-i-paid-all-of-my-state-tax-last-year-and/01/423695#M174603 I've entered in my 2015 new mexico tax from line 22 and received a refund last year from the state Tue, 04 Jun 2019 21:20:24 GMT sjodom 2019-06-04T21:20:24Z https://ttlc.intuit.com/community/taxes/discussion/i-don-t-know-what-to-put-for-state-tax-underpayment-penalty-i-paid-all-of-my-state-tax-last-year-and/01/423695#M174603 I've entered in my 2015 new mexico tax from line 22 and received a refund last year from the state Tue, 04 Jun 2019 21:20:24 GMT https://ttlc.intuit.com/community/taxes/discussion/i-don-t-know-what-to-put-for-state-tax-underpayment-penalty-i-paid-all-of-my-state-tax-last-year-and/01/423695#M174603 sjodom 2019-06-04T21:20:24Z https://ttlc.intuit.com/community/taxes/discussion/an-underpayment-penalty-does-not-come-from-the-prior-year/01/423701#M174606 An underpayment penalty does not come from the prior year.  It is referring to whether or not you had enough withheld in 2016 for the bill you are paying now.  For example, if you owe $5000 for this return and didn't have much of that withheld from your paycheck or make quarterly tax payments, the government charges you a penalty.  The easiest way to avoid that penalty is to show you had the same or more withheld this year vs. last year. Tue, 04 Jun 2019 21:20:25 GMT https://ttlc.intuit.com/community/taxes/discussion/an-underpayment-penalty-does-not-come-from-the-prior-year/01/423701#M174606 gamagesa 2019-06-04T21:20:25Z