This form contains 165 fields organized into 25 sections. Below is a complete list of every field, its type, and what information is expected.

Field Name Type Description
Dependent Exemption Allowance Calculation
Total Number of Dependents Text
Enter the total number of dependents you are claiming to calculate the Illinois dependent exemption allowance.
Max length: 2 characters
Dependent Exemption Allowance Amount Number
Enter the calculated dependent exemption allowance amount (total dependents multiplied by $2,425) to report on Form IL-1040, Line 10d. Fill only if 'Total Number of Dependents' is filled (multiply by $2,425).
Max length: 5 characters
Depends on: Total Number of Dependents
Eighth Dependent Information
Eighth Dependent First Name Text
Enter the first name of the eighth dependent you are claiming.
Eighth Dependent Last Name Text
Enter the last name of the eighth dependent you are claiming.
Eighth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the eighth dependent.
Max length: 11 characters
Eighth Dependent Relationship Text
Enter the relationship of the eighth dependent to you (for example, son, daughter, parent, etc.).
Eighth Dependent Date of Birth Date
Enter the date of birth of the eighth dependent.
Max length: 10 characters
Eighth dependent - Full time student Checkbox
Check this box if the eighth listed dependent was a full-time student.
Eighth dependent - Person with disability Checkbox
Check this box if the eighth listed dependent is a person with a disability.
Eighth Dependent Months Lived With You Text
Enter the number of months during the year the eighth dependent lived with you.
Max length: 2 characters
Eighth dependent - Eligible for Earned Income Credit Checkbox
Check this box if the eighth listed dependent is eligible for the Earned Income Credit.
Federal AGI for Married Filing Separately (Line 3)
Line 3 – Federal AGI (Married Filing Separately) Number
Enter your federal adjusted gross income (AGI) from your married filing jointly federal return (Form 1040 or 1040-SR, line 11) to report on Illinois Line 3 when filing married filing separately.
Max length: 12 characters
Fifth Dependent Information
Fifth Dependent First Name Text
Enter the first name of the fifth dependent you are claiming.
Fifth Dependent Last Name Text
Enter the last name of the fifth dependent you are claiming.
Fifth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the fifth dependent.
Max length: 11 characters
Fifth Dependent Relationship to You Text
Enter the fifth dependent’s relationship to you (for example, son, daughter, parent, or other).
Fifth Dependent Date of Birth Date
Enter the fifth dependent’s date of birth.
Max length: 10 characters
Fifth dependent - Full time student Checkbox
Check this box if the fifth dependent listed was a full-time student.
Fifth dependent - Person with disability Checkbox
Check this box if the fifth dependent listed is a person with a disability.
Fifth Dependent Months Lived With You Text
Enter the number of months during the tax year that the fifth dependent lived with you.
Max length: 2 characters
Fifth dependent - Eligible for Earned Income Credit Checkbox
Check this box if the fifth dependent listed is eligible for the Earned Income Credit.
First Dependent Information
First Dependent First Name Text
Enter the first name of the first dependent you are claiming.
First Dependent Last Name Text
Enter the last name of the first dependent you are claiming.
First Dependent Social Security Number or ITIN Text
Enter the first dependent’s Social Security number or Individual Taxpayer Identification Number.
Max length: 11 characters
First Dependent Relationship to You Text
Describe the first dependent’s relationship to you (for example, son, daughter, parent, or other relation).
First Dependent Date of Birth Date
Enter the first dependent’s date of birth.
Max length: 10 characters
First dependent - Full-time student Checkbox
Check this box if the first dependent listed is a full-time student.
First dependent - Person with disability Checkbox
Check this box if the first dependent listed is a person with a disability.
First Dependent Months Living With You Text
Enter the number of months during the tax year that the first dependent lived with you.
Max length: 2 characters
First dependent - Eligible for Earned Income Credit Checkbox
Check this box if the first dependent listed is eligible for the Earned Income Credit.
Fourth Dependent Information
Fourth Dependent First Name Text
Enter the first name of the fourth dependent you are claiming.
Fourth Dependent Last Name Text
Enter the last name of the fourth dependent you are claiming.
Fourth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the fourth dependent.
Max length: 11 characters
Fourth Dependent Relationship to You Text
Enter the fourth dependent’s relationship to you (for example, son, daughter, parent, or other relationship).
Fourth Dependent Date of Birth Date
Enter the fourth dependent’s date of birth.
Max length: 10 characters
Fourth Dependent - Full time student Checkbox
Check this box if the fourth dependent was a full-time student during the tax year.
Fourth Dependent - Person with disability Checkbox
Check this box if the fourth dependent is a person with a disability.
Fourth Dependent Months Lived With You Text
Enter the number of months during the year the fourth dependent lived with you.
Max length: 2 characters
Fourth Dependent - Eligible for Earned Income Credit Checkbox
Check this box if the fourth dependent is eligible for the Earned Income Credit.
General
Enter the amount from federal Form 1040 or 1040-SR, Line 1z Text
Max length: 12 characters
Enter the amount from Line 1 that is from medicaid waiver payments that you don't choose to include in earned income (federal Form 1040 or 1040-SR, Line 1d) Text
Max length: 12 characters
Subtract Line 2 from Line 1 and enter the result Text
Max length: 12 characters
Enter all of your nontaxable combat pay from federal Form 1040 or 1040-SR, Line 1i, if you elect to include it in earned income Text
Max length: 12 characters
Add Lines 3 and 4 and enter the result. If you were not self-employed and did not have to file federal Schedule SE, go to LIne 15. Otherwise, continue to Line 6 Text
Max length: 12 characters
Enter the amount from federal Schedule SE, Part I, Line 3 Text
Max length: 12 characters
Enter the amount from federal Schedule SE, Part I, Line 4b and Line 5a Text
Max length: 12 characters
Add Lines 6 and 7 and enter the result Text
Max length: 12 characters
Enter the amount from federal Schedule SE, Part I, Line 13 Text
Max length: 12 characters
Subtract Line 9 from Line 8 and enter the result Text
Max length: 12 characters
Enter any net farm profit or (loss) from federal Schedule F, Line 34; and from farm partnerships, federal Schedule K-1 (federal Form 1065), Box 14, Code A Text
Max length: 12 characters
Enter any net farm profit or (loss) from federal Schedule C, Line 31; and federal Schedule K-1 (federal Form 1065), Box 14, Code A (other than farming) Text
Max length: 12 characters
Enter the amount from federal Schedule C, Line 1, that you are filing as a statutory employee Text
Max length: 12 characters
Add Lines 10, 11, 12, and 13 and enter the total Text
Max length: 12 characters
Add Lines 5 and 14 and enter the total. If Line 14 is blank, enter the amount from Line 5. If the total is zero or negative, enter "0" zero Text
Max length: 12 characters
Line 15 equal or less table amount CheckBox
Line 15 equal or less table amount_No CheckBox
Enter your total earned income from Part 1, Line 15 Text
Max length: 12 characters
Look up the amount on Line 17 in the federal Form 1040 Instructions for Line 27, EIC Table, to find the credit amount. Be sure you use the correct column for your filing status and the correct number of qualifying children. Enter the credit amount here Text
Max length: 12 characters
Enter the amount from federal Form 1040 or 1040-SR, Line 11 (AGI) Text
Max length: 12 characters
Line 17 and 19 the same CheckBox
Line 17 and 19 the same_No CheckBox
If you have_#20None CheckBox
If you have_1#20or#20more CheckBox
If Line 21 is Yes, leave Line 22 blank and enter the amount from Line 18 on Line 23. If Line 21 is No, look up the amount on Line 19 in the federal Form 1040 instructions for Line 27, EIC Table, to find the credit. Be sure you use the corrrect column for your filing status and the correct number of qualifying children. Enter the credit amount here Text
Max length: 12 characters
If you have an amount on Line 22, compare the amounts on Lines 18 and 22, and enter the smaller amount. This is your federal EITC calculation. Enter this amount on Page 2, Step 4, Line 6 Text
Max length: 12 characters
Clear form Button
Print Form Button
Income - Business Income/Loss (Line 2)
Line 2 Business income or (loss) Number
Enter your business income or loss amount from your federal Form 1040 or 1040-SR, Schedule 1, Line 3.
Max length: 12 characters
Income - Wages (Line 1)
Line 1 Wages, salaries, and tips Number
Enter your wages, salaries, and tips amount from your federal Form 1040 or 1040-SR, Line 1z.
Max length: 12 characters
Ninth Dependent Information
Ninth Dependent First Name Text
Enter the first name of the ninth dependent you are claiming.
Ninth Dependent Last Name Text
Enter the last name of the ninth dependent you are claiming.
Ninth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the ninth dependent.
Max length: 11 characters
Ninth Dependent Relationship Text
Enter the ninth dependent’s relationship to you (for example, son, daughter, parent, etc.).
Ninth Dependent Date of Birth Date
Enter the date of birth of the ninth dependent.
Max length: 10 characters
Ninth dependent: Full-time student Checkbox
Check this box if the ninth dependent was a full-time student during the tax year.
Ninth dependent: Person with disability Checkbox
Check this box if the ninth dependent is a person with a disability.
Ninth Dependent Months Lived With You Text
Enter the number of months during the tax year the ninth dependent lived with you.
Max length: 2 characters
Ninth dependent: Eligible for Earned Income Credit Checkbox
Check this box if the ninth dependent is eligible for the Earned Income Credit.
Professional License Requirement (Line 2a Yes/No)
Line 2a - Yes (Professional license required) Checkbox
Check this box if your occupation requires a city, state, or county-issued professional license, registration, or certification. Fill only if 'Line 2 Business income or (loss)' has an amount entered (greater than 0).
Depends on: Line 2 Business income or (loss)
Line 2a - No (Professional license not required) Checkbox
Check this box if your occupation does not require a city, state, or county-issued professional license, registration, or certification. Fill only if 'Line 2 Business income or (loss)' has an amount entered (greater than 0).
Depends on: Line 2 Business income or (loss)
Qualifying Child Information - First Child Row
First Child First Name Text
Enter the first name of the first qualifying child you are listing in this table.
First Child Last Name Text
Enter the last name of the first qualifying child you are listing in this table.
First Child SSN or ITIN Text
Enter the first qualifying child’s Social Security number or Individual Taxpayer Identification Number.
Max length: 11 characters
First Child Relationship to You Text
Describe the first qualifying child’s relationship to you (for example, son, daughter, grandchild, niece, or nephew).
First Child Date of Birth Date
Enter the first qualifying child’s date of birth.
Max length: 10 characters
First child row - Full time student Checkbox
Check this box if the first listed qualifying child was a full-time student during the year.
First child row - Person with disability Checkbox
Check this box if the first listed qualifying child is a person with a disability.
First Child Months Lived With You Text
Enter the number of months during the tax year that the first qualifying child lived with you.
Max length: 2 characters
Qualifying Child Information - Second Child Row
Second Child First Name Text
Enter the second qualifying child's first name.
Second Child Last Name Text
Enter the second qualifying child's last name.
Second Child Social Security Number or ITIN Text
Enter the second qualifying child's Social Security number or Individual Taxpayer Identification Number.
Max length: 11 characters
Second Child Relationship to You Text
Enter the second qualifying child's relationship to you (for example, son, daughter, niece, or grandchild).
Second Child Date of Birth Date
Enter the second qualifying child's date of birth.
Max length: 10 characters
Second child - Full time student Checkbox
Check this box if the second qualifying child listed was a full-time student.
Second child - Person with disability Checkbox
Check this box if the second qualifying child listed is a person with a disability.
Second Child Months Lived With You Text
Enter the number of months the second qualifying child lived with you during the tax year.
Max length: 2 characters
Qualifying Child Information - Third Child Row
Third Child First Name Text
Enter the first name of the third qualifying child.
Third Child Last Name Text
Enter the last name of the third qualifying child.
Third Child SSN or ITIN Text
Enter the third qualifying child’s Social Security number or Individual Taxpayer Identification Number.
Max length: 11 characters
Third Child Relationship to You Text
Describe the third qualifying child’s relationship to you (for example, son, daughter, grandchild, or foster child).
Third Child Date of Birth Date
Enter the third qualifying child’s date of birth.
Max length: 10 characters
Third Child - Full time student Checkbox
Check this box if the third qualifying child was a full-time student during the applicable tax year.
Third Child - Person with disability Checkbox
Check this box if the third qualifying child is a person with a disability.
Third Child Months Lived With You Text
Enter the number of months the third qualifying child lived with you during the tax year.
Max length: 2 characters
Second Dependent Information
Second Dependent First Name Text
Enter the first name of the second dependent you are claiming.
Second Dependent Last Name Text
Enter the last name of the second dependent you are claiming.
Second Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the second dependent.
Max length: 11 characters
Second Dependent Relationship to You Text
Describe the second dependent’s relationship to you (for example, son, daughter, or other relative).
Second Dependent Date of Birth Date
Enter the second dependent’s date of birth.
Max length: 10 characters
Second dependent - Full-time student Checkbox
Check this box if the second dependent was a full-time student during the tax year.
Second dependent - Person with disability Checkbox
Check this box if the second dependent is a person with a disability.
Second Dependent Months Lived With You Text
Enter the number of months during the tax year that the second dependent lived with you.
Max length: 2 characters
Second dependent - Eligible for Earned Income Credit Checkbox
Check this box if the second dependent qualifies as an eligible dependent for the Earned Income Credit.
Seventh Dependent Information
Seventh Dependent First Name Text
Enter the seventh dependent’s first name.
Seventh Dependent Last Name Text
Enter the seventh dependent’s last name.
Seventh Dependent Social Security Number or ITIN Text
Enter the seventh dependent’s Social Security number or Individual Taxpayer Identification Number (ITIN).
Max length: 11 characters
Seventh Dependent Relationship to You Text
Enter the seventh dependent’s relationship to you (for example, son, daughter, parent, or other).
Seventh Dependent Date of Birth Date
Enter the seventh dependent’s date of birth.
Max length: 10 characters
Seventh Dependent - Full time student Checkbox
Check this box if the seventh dependent was a full-time student.
Seventh Dependent - Person with disability Checkbox
Check this box if the seventh dependent is a person with a disability.
Seventh Dependent Months Living With You Text
Enter the number of months the seventh dependent lived with you during the tax year.
Max length: 2 characters
Seventh Dependent - Eligible for Earned Income Credit Checkbox
Check this box if the seventh dependent is eligible for the Earned Income Credit.
Sixth Dependent Information
Sixth Dependent First Name Text
Enter the first name of the sixth dependent you are claiming.
Sixth Dependent Last Name Text
Enter the last name of the sixth dependent you are claiming.
Sixth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the sixth dependent.
Max length: 11 characters
Sixth Dependent Relationship to You Text
Enter the sixth dependent’s relationship to you (for example, son, daughter, parent, or other relation).
Sixth Dependent Date of Birth Date
Enter the date of birth of the sixth dependent.
Max length: 10 characters
Sixth dependent: Full-time student Checkbox
Check this box if the sixth dependent was a full-time student.
Sixth dependent: Person with disability Checkbox
Check this box if the sixth dependent is a person with a disability.
Sixth Dependent Months Lived With You Text
Enter the number of months the sixth dependent lived with you during the tax year.
Max length: 2 characters
Sixth dependent: Eligible for Earned Income Credit Checkbox
Check this box if the sixth dependent is eligible for the Earned Income Credit.
Spouse Social Security Number (Line 3a)
Line 3a Spouse SSN (first 3 digits) Text
Enter the first three digits of your spouse’s Social Security number. Fill only if 'Line 3 – Federal AGI (Married Filing Separately)' has an amount entered (greater than 0).
Max length: 3 characters
Depends on: Line 3 – Federal AGI (Married Filing Separately)
Line 3a Spouse SSN (middle 2 digits) Text
Enter the middle two digits of your spouse’s Social Security number. Fill only if 'Line 3 – Federal AGI (Married Filing Separately)' has an amount entered (greater than 0).
Max length: 2 characters
Depends on: Line 3 – Federal AGI (Married Filing Separately)
Line 3a Spouse SSN (last 4 digits) Text
Enter the last four digits of your spouse’s Social Security number. Fill only if 'Line 3 – Federal AGI (Married Filing Separately)' has an amount entered (greater than 0).
Max length: 4 characters
Depends on: Line 3 – Federal AGI (Married Filing Separately)
Statutory Employee Box on W-2 (Line 4 Yes/No)
Line 4 Statutory employee (W-2 Box 13) - Yes Checkbox
Check this box if the statutory employee box is marked on your W-2 (Box 13).
Line 4 Statutory employee (W-2 Box 13) - No Checkbox
Check this box if the statutory employee box is not marked on your W-2 (Box 13).
Step 1 Taxpayer Name
Step 1 Taxpayer Name Text
Enter your full name exactly as it appears on your Form IL-1040.
Step 1 Taxpayer Social Security Number
Step 1 Taxpayer SSN (first 3 digits) Text
Enter the first three digits of the taxpayer’s Social Security number.
Max length: 3 characters
Step 1 Taxpayer SSN (middle 2 digits) Text
Enter the middle two digits of the taxpayer’s Social Security number.
Max length: 2 characters
Step 1 Taxpayer SSN (last 4 digits) Text
Enter the last four digits of the taxpayer’s Social Security number.
Max length: 4 characters
Step 4 - Illinois EITC Calculation (Lines 5-9)
Step 4 Line 5 - Not eligible for federal EITC (complete Illinois Expanded EITC Worksheet) Checkbox
Check this box if you do not qualify for the federal Earned Income Tax Credit but you do qualify for the Illinois EITC and will complete the Illinois Expanded EITC Worksheet before continuing.
Step 4 Line 6 – Federal Earned Income Tax Credit Amount Number
Enter the amount of federal Earned Income Tax Credit from your federal Form 1040/1040-SR (Line 27) or from the Illinois Expanded EITC Worksheet (Line 23).
Max length: 12 characters
Step 4 Line 7 – 20% of Line 6 Number
Enter the result of multiplying the amount on Step 4 Line 6 by 20% (0.2).
Max length: 12 characters
Step 4 Line 8 – Residency Decimal (Whole Number) Text
Enter the whole-number digit to the left of the decimal for the Step 4 Line 8 residency factor (e.g., enter 1 for Illinois residents).
Max length: 1 characters
Step 4 Line 8 – Residency Decimal (Digits After Decimal) Text
Enter the digits to the right of the decimal for the Step 4 Line 8 residency factor (e.g., enter 0 for Illinois residents or the applicable decimal from Schedule NR, Line 48).
Max length: 3 characters
Step 4 Line 9 – Illinois Earned Income Tax Credit Number
Enter the result of multiplying the amount on Step 4 Line 7 by the Step 4 Line 8 residency factor.
Max length: 4 characters
Tenth Dependent Information
Tenth Dependent First Name Text
Enter the first name of the tenth dependent you are claiming.
Tenth Dependent Last Name Text
Enter the last name of the tenth dependent you are claiming.
Tenth Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the tenth dependent.
Max length: 11 characters
Tenth Dependent Relationship to You Text
Describe the tenth dependent’s relationship to you (for example, son, daughter, parent, or other).
Tenth Dependent Date of Birth Date
Enter the tenth dependent’s date of birth.
Max length: 10 characters
Tenth dependent - Full time student Checkbox
Check this box if the tenth dependent was a full-time student during the tax year.
Tenth dependent - Person with disability Checkbox
Check this box if the tenth dependent is a person with a disability.
Tenth Dependent Months Lived With You Text
Enter the number of months during the tax year the tenth dependent lived with you.
Max length: 2 characters
Tenth dependent - Eligible for Earned Income Credit Checkbox
Check this box if the tenth dependent is eligible to be claimed for the Earned Income Credit.
Third Dependent Information
Third Dependent First Name Text
Enter the first name of the third dependent you are claiming.
Third Dependent Last Name Text
Enter the last name of the third dependent you are claiming.
Third Dependent SSN or ITIN Text
Enter the Social Security number or Individual Taxpayer Identification Number for the third dependent.
Max length: 11 characters
Third Dependent Relationship Text
Enter the third dependent’s relationship to you (for example, son, daughter, parent, etc.).
Third Dependent Date of Birth Date
Enter the date of birth of the third dependent.
Max length: 10 characters
Third Dependent - Full time student Checkbox
Check this box if the third dependent was a full-time student during the applicable tax year.
Third Dependent - Person with disability Checkbox
Check this box if the third dependent is a person with a disability.
Third Dependent Months Lived With You Text
Enter the number of months the third dependent lived with you during the tax year.
Max length: 2 characters
Third Dependent - Eligible for Earned Income Credit Checkbox
Check this box if the third dependent is eligible to be treated as a qualifying person for the Earned Income Credit.
Top Header Field
Top Header Identifier Text
Enter the identification code or number shown in the form’s top header area.