INSTRUCTIONS: RESIDENT AMENDED DELAWARE PERSONAL INCOME TAX RETURN (Form 200-01-X)
Delaware full-year or part-year residents who must amend an initially filed state income tax return using form 200-01-X. This document is found on the website of the Delaware Division of Revenue.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 1: Give the beginning and ending dates of the fiscal year in question if you did not file your initial return on a calendar year basis.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 2: Enter your Social Security number, name, and current home address. If filing taxes jointly with a spouse, enter their name and Social Security number as well.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 3: Indicate your filing status with a check mark.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 4: Part-year residents should give the beginning and ending dates of their residency.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 5: Check the box where indicated if attaching a form DE2210.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 6: Complete Sections A and B on the second page to compute your Delaware adjusted gross income. Enter the result on line 1 of the first page.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 7: If you are claiming standard deductions, complete lines 2a and 3. If claiming itemized deductions, check the box on line 2a, complete Section C on the second page, and transfer the result to line 2b.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 8: Add lines 2 and 3 and enter the resulting sum on line 4.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 9: Subtract line 4 from line 1 and enter the resulting difference on line 5.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 10: Follow instructions on lines 6 through 8 to compute your total tax.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 11: Lines 9 through 27 provide instructions for adjustments to compute your final tax liability or refund owed.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 12: On the second page, answer all questions with a check mark and provide a detailed explanation for all amended figures.
Resident Amended Delaware Personal Income Tax Return 200-01-X Step 13: Sign and date the bottom of the first page.
