If you under-withheld taxes last year, you must file Form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts, with this year's income tax return no later than April 15 or tax day.

Include "80% Waiver of estimated tax penalty" on line 7. Form 843 cannot be filed electronically. If you still don’t qualify for a waiver, you can either use Form 2210 to figure the penalty ...

If you might come up short, making an estimated tax payment by January 15 ... To apply for a waiver, attach an explanation to Form 2210 to document the reasons for your request.

Eligible Kentuckians can potentially save money in 2025 this tax season by submitting their documents through the IRS' Free File program.

Form 2210-K When applicable, use Form 2210-K to calculate any underpayment of estimated tax penalties, underpayment of estimated tax interest, or to claim an exception to the penalty. Check the ...

Form 2210-K When applicable, use Form 2210-K to calculate any underpayment of estimated tax penalties, underpayment of estimated tax interest, or to claim an exception to the penalty.

Form 2210-K When applicable, use Form 2210-K to calculate any underpayment of estimated tax penalties, underpayment of estimated tax interest, or to claim an exception to the penalty.