IRS e-file
 Frequently Asked Question

  • Which Delaware tax forms are supported?

    Form 8453-OL, Individual Income Tax Declaration for On-line Filing

    Form 200-V, Electronic Filer Payment Voucher

    Form 2210, Underpayment of Estimated Taxes

    Form 200-ES, Declaration of Estimated Income Tax

    Form 200-01, Individual Income Tax Return

    Form 209, Claim for Refund Due on Behalf of Deceased Taxpayer

    Schedule A, Itemized Deductions


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