This form contains 145 fields organized into 11 sections. Below is a complete list of every field, its type, and what information is expected.

Field Name Type Description
Address Information
Home address (number and street). If you have a P.O. box, see instructions Text
Enter your home address, including number and street. If you have a P.O. box, refer to the instructions.
Apt. no Text
Enter your apartment number, if applicable.
City, town, or post office. If you have a foreign address, also complete spaces below Text
Enter your city, town, or post office. If you have a foreign address, complete the spaces below.
State Text
Enter your state.
ZIP code Text
Enter your ZIP code.
Foreign country name Text
If you have a foreign address, enter the name of the foreign country.
Foreign province/state/county Text
If you have a foreign address, enter the foreign province, state, or county.
Foreign postal code Text
If you have a foreign address, enter the foreign postal code.
Dependents
topmostSubform[0].Page2[0].Dependents_ReadOrder[0].c2_1[0]_1 CheckBox
Check this box if the dependent listed in this row qualifies for the Child Tax Credit or Credit for Other Dependents.
topmostSubform[0].Page2[0].Table_Dependents[0].Row1[0].f2_19[0 Text
Enter the name of the dependent listed in this row.
topmostSubform[0].Page2[0].Table_Dependents[0].Row1[0].f2_20[0 Text
Enter the Social Security Number (SSN) of the dependent listed in this row. The maximum length is 11 characters.
Max length: 11 characters
topmostSubform[0].Page2[0].Table_Dependents[0].Row1[0].f2_21[0 Text
Enter the relationship of the dependent to you (e.g., son, daughter, parent).
topmostSubform[0].Page2[0].Table_Dependents[0].Row1[0].c2_2[0]_1 CheckBox
Check this box if the dependent listed in this row qualifies for the Child Tax Credit or Credit for Other Dependents.
topmostSubform[0].Page2[0].Table_Dependents[0].Row1[0].c2_2[1]_2 CheckBox
Check this box if the dependent listed in this row qualifies for the Child Tax Credit or Credit for Other Dependents.
topmostSubform[0].Page2[0].Table_Dependents[0].Row2[0].f2_22[0 Text
Enter the first name of the dependent.
topmostSubform[0].Page2[0].Table_Dependents[0].Row2[0].f2_23[0 Text
Enter the Social Security Number (SSN) of the dependent. Maximum length is 11 characters.
Max length: 11 characters
topmostSubform[0].Page2[0].Table_Dependents[0].Row2[0].f2_24[0 Text
Enter the relationship of the dependent to you (e.g., son, daughter).
topmostSubform[0].Page2[0].Table_Dependents[0].Row2[0].c2_3[0]_1 CheckBox
Check this box if the dependent qualifies for the Child Tax Credit.
topmostSubform[0].Page2[0].Table_Dependents[0].Row2[0].c2_3[1]_2 CheckBox
Check this box if the dependent qualifies for the Credit for Other Dependents.
topmostSubform[0].Page2[0].Table_Dependents[0].Row3[0].f2_25[0 Text
Enter the first name of the second dependent.
topmostSubform[0].Page2[0].Table_Dependents[0].Row3[0].f2_26[0 Text
Enter the Social Security Number (SSN) of the second dependent. Maximum length is 11 characters.
Max length: 11 characters
topmostSubform[0].Page2[0].Table_Dependents[0].Row3[0].f2_27[0 Text
Enter the relationship of the second dependent to you (e.g., son, daughter).
topmostSubform[0].Page2[0].Table_Dependents[0].Row3[0].c2_4[0]_1 CheckBox
Check this box if the second dependent qualifies for the Child Tax Credit.
topmostSubform[0].Page2[0].Table_Dependents[0].Row3[0].c2_4[1]_2 CheckBox
Check this box if the second dependent qualifies for the Credit for Other Dependents.
topmostSubform[0].Page2[0].Table_Dependents[0].Row4[0].f2_28[0 Text
Enter the name of the dependent.
topmostSubform[0].Page2[0].Table_Dependents[0].Row4[0].f2_29[0 Text
Enter the Social Security Number (SSN) of the dependent. Maximum length is 11 characters.
Max length: 11 characters
topmostSubform[0].Page2[0].Table_Dependents[0].Row4[0].f2_30[0 Text
Enter the relationship of the dependent to you (e.g., son, daughter).
topmostSubform[0].Page2[0].Table_Dependents[0].Row4[0].c2_5[0]_1 CheckBox
Check this box if the dependent qualifies for the Child Tax Credit.
topmostSubform[0].Page2[0].Table_Dependents[0].Row4[0].c2_5[1]_2 CheckBox
Check this box if the dependent qualifies for the Credit for Other Dependents.
Explanation of Changes
topmostSubform[0].Page1[0].f1_17[0 Text
Enter your explanation of changes made to your original return.
topmostSubform[0].Page2[0].f2_32[0 Text
Provide any additional information or explanations for the changes made.
topmostSubform[0].Page2[0].f2_33[0 Text
Enter the date of the change. Maximum length is 6 characters.
Max length: 6 characters
topmostSubform[0].Page2[0].f2_35[0 Text
Enter the date of the change. Maximum length is 6 characters.
Max length: 6 characters
Income and Deductions
topmostSubform[0].Page1[0].c1_3[0]_1 CheckBox
Check this box if you are filing Form 1040-X to amend your income.
topmostSubform[0].Page1[0].c1_3[1]_2 CheckBox
Check this box if you are filing Form 1040-X to amend your deductions.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line1[0].Adjusted[0].c1_4[0]_1 CheckBox
Check this box if you are amending your adjusted gross income.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line1[0].f1_18[0 Text
Enter the original amount of adjusted gross income from your original return.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line1[0].f1_19[0 Text
Enter the net change in adjusted gross income.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line1[0].f1_20[0 Text
Enter the corrected amount of adjusted gross income.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line2[0].f1_21[0 Text
Enter the original amount from Line 2 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line2[0].f1_22[0 Text
Enter the net change amount for Line 2 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line2[0].f1_23[0 Text
Enter the corrected amount for Line 2 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line3[0].f1_24[0 Text
Enter the original amount from Line 3 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line3[0].f1_25[0 Text
Enter the net change amount for Line 3 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line3[0].f1_26[0 Text
Enter the corrected amount for Line 3 of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4a[0].f1_27[0 Text
Enter the original amount from Line 4a of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4a[0].f1_28[0 Text
Enter the net change amount for Line 4a of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4a[0].f1_29[0 Text
Enter the corrected amount for Line 4a of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4b[0].f1_30[0 Text
Enter the original amount from Line 4b of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4b[0].f1_31[0 Text
Enter the net change amount for Line 4b of the Income and Deductions section.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line4b[0].f1_32[0 Text
Enter the amount for Line 4b, which pertains to income and deductions.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line5[0].f1_33[0 Text
Enter the amount for Line 5, which pertains to income and deductions.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line5[0].f1_34[0 Text
Enter the amount for Line 5, which pertains to income and deductions.
topmostSubform[0].Page1[0].Table_IncomeDeductions[0].Line5[0].f1_35[0 Text
Enter the amount for Line 5, which pertains to income and deductions.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line24[0].f2_01[0 Text
Enter the amount for Line 24.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line24[0].f2_02[0 Text
Enter the amount for Line 24.
Payments
topmostSubform[0].Page1[0].c1_3[3]_4 CheckBox
Check this box if you are filing Form 1040-X to amend your tax payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line12[0].f1_55[0 Text
Enter the amount for Line 12 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line12[0].f1_56[0 Text
Enter the amount for Line 12 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line12[0].f1_57[0 Text
Enter the amount for Line 12 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line13[0].f1_58[0 Text
Enter the amount for Line 13 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line13[0].f1_59[0 Text
Enter the amount for Line 13 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line13[0].f1_60[0 Text
Enter the amount for Line 13 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line14[0].f1_61[0 Text
Enter the amount for Line 14 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line14[0].f1_62[0 Text
Enter the amount for Line 14 from the Payments section. This field is used to report your amended payments.
topmostSubform[0].Page1[0].Table_Payments[0].Line14[0].f1_63[0 Text
Enter the total amount of payments made for the tax year, including any estimated tax payments and amounts applied from the previous year's return.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].f1_65[0 Text
Enter the amount of payments made on Line 15.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].f1_66[0 Text
Enter the amount of payments made on Line 15.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].f1_67[0 Text
Enter the amount of payments made on Line 15.
tax paid after return was filed 16 Text
Enter the amount of tax paid after the original return was filed.
17 Total payments. Add lines 12 through 15, column C, and line 16. 17 Text
Enter the total payments by adding lines 12 through 15, column C, and line 16.
18 18 Text
Enter the amount for Line 18.
19 Subtract line 18 from line 17. (If less than zero, see instructions.) 19 Text
Subtract line 18 from line 17. If the result is less than zero, refer to the instructions.
20 Text
Enter the amount for Line 20.
topmostSubform[0].Page1[0].f1_73[0 Text
Enter the amount for the specified field.
topmostSubform[0].Page1[0].f1_75[0 Text
Enter the amount for the specified field. Maximum length is 4 characters.
Max length: 4 characters
topmostSubform[0].Page1[0].f1_76[0 Text
Enter the amount for the specified field.
Personal Information
topmostSubform[0].Page1[0].f1_01[0 Text
Enter the tax year for which you are filing this amended return. Use the format YYYY.
Max length: 4 characters
topmostSubform[0].Page1[0].f1_02[0 Text
Enter your first name and middle initial.
topmostSubform[0].Page1[0].f1_03[0 Text
Enter your last name.
Last name Text
Enter your last name.
topmostSubform[0].Page1[0].f1_05[0 Text
Enter your Social Security Number (SSN).
Max length: 9 characters
If joint return, spouse's first name and middle initial Text
If filing a joint return, enter your spouse's first name and middle initial.
Last name Text
If filing a joint return, enter your spouse's last name.
topmostSubform[0].Page1[0].f1_08[0 Text
Enter your spouse's Social Security Number (SSN) if filing a joint return.
Max length: 9 characters
topmostSubform[0].Page1[0].c1_1[0]_1 CheckBox
Check this box if you are filing Form 1040-X to amend your filing status.
topmostSubform[0].Page1[0].c1_2[0]_2 CheckBox
Check this box if you are filing Form 1040-X to amend the number of exemptions claimed.
Spouse's occupation Text
Enter the occupation of your spouse.
Phone no Text
Enter your phone number.
Email address Text
Enter your email address.
topmostSubform[0].Page2[0].c2_6[0]_1 CheckBox
Check this box if you are filing an amended return for a deceased taxpayer.
Preparer Information
Preparer's name Text
Enter the name of the preparer who helped you fill out this form.
topmostSubform[0].Page2[0].f2_39[0 Text
Enter the Preparer Tax Identification Number (PTIN) of the preparer. Maximum length is 11 characters.
Max length: 11 characters
Firm's name Text
Enter the name of the firm that is preparing your amended tax return.
Phone no Text
Enter the phone number of the firm that is preparing your amended tax return.
Firm's address Text
Enter the address of the firm that is preparing your amended tax return.
Firm's EIN Text
Enter the Employer Identification Number (EIN) of the firm that is preparing your amended tax return. The EIN should be up to 10 digits long.
Max length: 10 characters
Refund or Amount Owed
topmostSubform[0].Page1[0].c1_3[4]_5 CheckBox
Check this box if you are filing Form 1040-X to amend your refund or amount owed.
Amount of line 21 you want refunded to you 22 Text
Enter the amount from line 21 that you want refunded to you.
Refundable Credits
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_6[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_7[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_8[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_9[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_10[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_11[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].c1_12[0]_1 CheckBox
Check this box if you are claiming a refundable credit for the tax year.
topmostSubform[0].Page1[0].Table_Payments[0].Line15[0].Refundable[0].f1_64[0 Text
Enter the total amount of refundable credits you are claiming for the tax year.
Supporting Documents
Attach any supporting documents and new or changed forms and schedules Text
Attach any supporting documents and new or changed forms and schedules.
Tax Liability
topmostSubform[0].Page1[0].c1_3[2]_3 CheckBox
Check this box if you are filing Form 1040-X to amend your tax credits.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line6[0].Tax[0].f1_36[0 Text
Enter the tax amount for Line 6, which pertains to tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line6[0].f1_37[0 Text
Enter the amount for Line 6, which pertains to tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line6[0].f1_38[0 Text
Enter the amount for Line 6, which pertains to tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line6[0].f1_39[0 Text
Enter the amount for Line 6, which pertains to tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line7[0].Credits[0].c1_5[0]_1 CheckBox
Check this box if you are claiming credits for Line 7.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line7[0].f1_40[0 Text
Enter the amount for Line 7, which pertains to credits.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line7[0].f1_41[0 Text
Enter the amount for Line 7, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line7[0].f1_42[0 Text
Enter the amount for Line 7, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line8[0].f1_43[0 Text
Enter the amount for Line 8, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line8[0].f1_44[0 Text
Enter the amount for Line 8, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line8[0].f1_45[0 Text
Enter the amount for Line 8, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line9[0].f1_46[0 Text
Enter the amount for Line 9, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line9[0].f1_47[0 Text
Enter the amount for Line 9, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line9[0].f1_48[0 Text
Enter the amount for Line 9, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line10[0].f1_49[0 Text
Enter the amount for Line 10, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line10[0].f1_50[0 Text
Enter the amount for Line 10, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line10[0].f1_51[0 Text
Enter the amount for Line 10, which is part of the Tax Liability section on Page 1.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line11[0].f1_52[0 Text
Enter the amount for Line 11 from the Tax Liability section. This field is used to report your amended tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line11[0].f1_53[0 Text
Enter the amount for Line 11 from the Tax Liability section. This field is used to report your amended tax liability.
topmostSubform[0].Page1[0].Table_TaxLiability[0].Line11[0].f1_54[0 Text
Enter the amount for Line 11 from the Tax Liability section. This field is used to report your amended tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line24[0].f2_03[0 Text
Enter the amount for Line 24. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line25[0].f2_04[0 Text
Enter the amount for Line 25. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line25[0].f2_05[0 Text
Enter the amount for Line 25. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line25[0].f2_06[0 Text
Enter the amount for Line 25. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line26[0].f2_07[0 Text
Enter the amount for Line 26. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line26[0].f2_08[0 Text
Enter the amount for Line 26. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line26[0].f2_09[0 Text
Enter the amount for Line 26. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line27[0].f2_10[0 Text
Enter the amount for Line 27. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line27[0].f2_11[0 Text
Enter the amount for Line 27. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line27[0].f2_12[0 Text
Enter the amount for Line 27. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line28[0].f2_13[0 Text
Enter the amount for Line 28. This field is part of the section for calculating your tax liability.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line28[0].f2_14[0 Text
Enter the amount for Line 28 on Page 2 of Form 1040-X. This line typically involves specific tax calculations or adjustments.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line28[0].f2_15[0 Text
Enter the amount for Line 28 on Page 2 of Form 1040-X. This line typically involves specific tax calculations or adjustments.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line29[0].f2_16[0 Text
Enter the amount for Line 29 on Page 2 of Form 1040-X. This line typically involves specific tax calculations or adjustments.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line29[0].f2_17[0 Text
Enter the amount for Line 29 on Page 2 of Form 1040-X. This line typically involves specific tax calculations or adjustments.
topmostSubform[0].Page2[0].Table_Lines24-29[0].Line29[0].f2_18[0 Text
Enter the amount for Line 29 on Page 2 of Form 1040-X. This line typically involves specific tax calculations or adjustments.