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Version: 1.7.3

Get

Get

Use this endpoint to retrieve the information of a previously created IL 3/40 form for the corresponding employer (payer). Your request JSON must include the corresponding SubmissionId and the RecordId (optional) for the forms.

GET StateFilings/ILUI/Get 

Request Params

FieldTypeDescription
SubmissionIdGuidUnique identifier of a submission.
RecordIdGuidAn unique identifier generated by TaxBandits when a IL 3/40 return is created. Mention the return's Record ID that you want to get.

Request Body

FieldTypeDescription
SubmissionIdGuidUnique identifier created by TaxBandits for each submission. Not required when you are creating a return.
StateUIRecordsObject[]Object to identify the records.
SequenceIdStringA unique identifier for this record.
Size Range: ..50
ReturnHeaderObjectContains information about the Business details.
TaxYrstringThe tax year for which the Form IL 3/40 is to be filed.
Allowed values

"2025","2026"

QtrstringThe quarter for which the Form IL 3/40 is to be filed.
Allowed values

"Q1", "Q2", "Q3", "Q4"

BusinessObjectObject to identify the business details.
BusinessIdGuidOptional Use the unique identifier provided in the response from the Business CREATE endpoint.
BusinessNmstringName of the business.
Size Range: ..75
TradeNmstringOptional Name under which the business operates.
Size Range: ..75
IsEINBooleanWhen true, identifies the business with an EIN.
EINorSSNstringWhen IsEIN is true, use the Employer Identification Number (EIN)
Note: IsEIN should always be set to true, as EIN is the only allowed TIN type for state payroll forms.
Size Range: 9-11
EmailstringOptional Email address of the business.
Size Range: ..100
ContactNmstringOptional Name of the person who can be contacted by the State Agency.
Size Range: ..27
PhonestringOptional Phone number of the business.
Size Range: 10
PhoneExtnstringOptional Extension of the business phone number.
Size Range: ..5
FaxstringOptional Fax number of the business.
Size Range: 10
BusinessTypestringType of business.
Size Range: 4
Allowed values

"ESTE", "PART", "CORP", "EORG", "SPRO"

SigningAuthorityobjectDetails of the person who is authorized to sign the return.
NamestringName of the signing authority.
Size Range: ..35
PhonestringPhone number of the signing authority.
Size Range: 10
BusinessMemberTypestringBusiness title of the signing authority
Size Range: 5..29
Allowed values

"CORPORATESECRETARY", "SECRETARYTREASURER", "PARTNER", "GENERALPARTNER", "LIMITEDPARTNER", "LLCMEMBER", "MANAGINGMEMBER", "MANAGER", "TAXMATTERPARTNER", "PRESIDENT", "VICEPRESIDENT", "CORPORATETREASURER", "TREASURER", "ASSISTANTTREASURER", "CHIEFACCOUNTINGOFFICER", "CHIEFEXECUTIVEOFFICER", "CHIEFFINANCIALOFFICER", "TAXOFFICER", "CHIEFOPERATINGOFFICER", "CORPORATEOFFICER", "EXECUTIVEDIRECTOR", "DIRECTOR", "CHAIRMAN", "EXECUTIVEADMINISTRATOR", "RECEIVER", "PASTOR", "ASSISTANTTORELIGIOUSLEADER", "REVEREND", "PRIEST", "MINISTER", "RABBI", "LEADEROFRELIGIOUSORGANIZATION", "SECRETARY", "DIRECTOROFTAXATION", "DIRECTOROFPERSONNEL", "ADMINISTRATOR", "EXECUTOR", "TRUSTEE", "FIDUCIARY", "OWNER", "SOLEPROPRIETOR", "MEMBER", "SOLEMEMBER"

NamestringName of the signing authority.
Size Range: ..35
PhonestringPhone number of the signing authority.
Size Range: 10
BusinessMemberTypestringBusiness title of the signing authority
Size Range: 5..29
Allowed values

"CORPORATESECRETARY", "SECRETARYTREASURER", "PARTNER", "GENERALPARTNER", "LIMITEDPARTNER", "LLCMEMBER", "MANAGINGMEMBER", "MANAGER", "TAXMATTERPARTNER", "PRESIDENT", "VICEPRESIDENT", "CORPORATETREASURER", "TREASURER", "ASSISTANTTREASURER", "CHIEFACCOUNTINGOFFICER", "CHIEFEXECUTIVEOFFICER", "CHIEFFINANCIALOFFICER", "TAXOFFICER", "CHIEFOPERATINGOFFICER", "CORPORATEOFFICER", "EXECUTIVEDIRECTOR", "DIRECTOR", "CHAIRMAN", "EXECUTIVEADMINISTRATOR", "RECEIVER", "PASTOR", "ASSISTANTTORELIGIOUSLEADER", "REVEREND", "PRIEST", "MINISTER", "RABBI", "LEADEROFRELIGIOUSORGANIZATION", "SECRETARY", "DIRECTOROFTAXATION", "DIRECTOROFPERSONNEL", "ADMINISTRATOR", "EXECUTOR", "TRUSTEE", "FIDUCIARY", "OWNER", "SOLEPROPRIETOR", "MEMBER", "SOLEMEMBER"

KindOfEmployerstringOptional Identifies the kind of employer.
Allowed values

"FEDERALGOVT", "STATEORLOCAL501C", "NONGOVT501C", "STATEORLOCALNON501C", "NONEAPPLY"

KindOfPayerstringOptional Identifies the kind of payer.
Allowed values

"REGULAR941", "REGULAR944", "AGRICULTURAL943", "HOUSEHOLD", "MILITARY", "MEDICAREQUALGOVEM", "RAILROADFORMCT1"

IsBusinessTerminatedBooleanWhen true, indicates that the business is terminated.
IsForeignObjectWhen true, indicates that the business has a foreign address.
USAddressobjectIf IsForeign is false, pass the US address of the business.
Address1stringEmployer/Payer's US address (street or post office box of that locality).
Size Range: ..46
Address2stringOptional Employer/Payer's suite or apartment.
Size Range: ..46
CitystringEmployer/Payer's city.
Size Range: ..50
StatestringEmployer/Payer's state code. Refer to static values.
Size Range: 2
Allowed values

"AL", "AK", "AZ", "AR", "CA", "CO", "CT", "DE", "DC", "FL", "GA", "HI", "ID", "IL", "IN", "IA", "KS", "KY", "LA", "ME", "MD", "MA", "MI", "MN", "MS", "MO", "MT", "NE", "NV", "NH", "NJ", "NM", "NY", "NC", "ND", "OH", "OK", "OR", "PA", "RI", "SC", "SD", "TN", "TX", "UT", "VT", "VA", "WA", "WV", "WI", "WY", "AS", "FM", "GU", "MH", "MP", "PW", "PR", "VI", "AA", "AE", "AP"

ZipCdstringEmployer/Payer's zip code.
Size Range: 5..10
ForeignAddressObjectIf IsForeign is true, pass the foreign address of the business.
Address1stringEmployer/Payer's foreign address (street address or post office box of that locality).
Size Range: ..50
Address2stringOptional Employer/Payer's suite or apartment.
Size Range: ..50
CitystringEmployer/Payer's city.
Size Range: ..50
ProvinceOrStateNmstringEmployer/Payer's province or state name.
Size Range: ..50
CountrystringEmployer/Payer's country.
Size Range: 2
Allowed values

"AF", "AX", "AL", "AG", "AQ", "AN", "AO", "AV", "AY", "AC", "AR", "AM", "AA", "AT", "AS", "AU", "AJ", "BF", "BA", "FQ", "BG", "BB", "BO", "BE", "BH", "BN", "BD", "BT", "BL", "BK", "BC", "BV", "BR", "IO", "VI", "BX", "BU", "UV", "BM", "BY", "CB", "CM", "CA", "CV", "CJ", "CT", "CD", "CI","CH", "KT", "IP", "CK", "CO", "CN", "CF", "CG", "CW", "CR", "CS", "IV", "HR", "CU", "UC", "CY", "EZ", "DA", "DX", "DJ", "DO", "DR", "TT", "EC", "EG", "ES", "EK", "ER", "EN", "ET", "FK", "FO", "FM", "FJ", "FI", "FR", "FP", "FS", "GB", "GA", "GG", "GM", "GH", "GI", "GR", "GL", "GJ", "GQ", "GT", "GK", "GV", "PU", "GY", "HA", "HM", "VT", "HO", "HK", "HQ", "HU", "IC", "IN", "ID", "IR", "IZ", "EI", "IS", "IT", "JM", "JN", "JA", "DQ", "JE", "JQ", "JO", "KZ", "KE", "KQ", "KR", "KN", "KS", "KV", "KU", "KG", "LA", "LG", "LE", "LT", "LI", "LY", "LS", "LH", "LU", "MC", "MK", "MA","MI", "MY", "MV", "ML", "MT", "IM", "RM", "MR", "MP", "MX", "MQ", "MD", "MN", "MG", "MJ", "MH", "MO", "MZ", "WA", "NR", "BQ", "NP", "NL", "NC", "NZ", "NU", "NG", "NI", "NE", "NF", "CQ", "NO", "MU", "OC", "PK", "PS", "LQ", "PM", "PP", "PF", "PA", "PE", "RP", "PC", "PL", "PO", "RQ", "QA", "RO", "RS", "RW", "TB", "RN", "WS", "SM", "TP", "SA", "SG", "RI", "SE", "SL", "SN", "NN", "LO", "SI", "BP", "SO", "SF", "SX", "OD", "SP", "PG", "CE", "SH", "SC", "ST", "SB", "VC", "SU", "NS", "SV", "WZ", "SW", "SZ", "SY", "TW", "TI", "TZ", "TH", "TO", "TL", "TN", "TD", "TS", "TU", "TX", "TK", "TV", "UG", "UP", "AE", "UK", "UY", "UZ", "NH", "VE", "VM", "VQ", "WQ", "WF", "WI", "YM", "ZA", "ZI"

PostalCdstringEmployer/Payer's postal code.
Size Range: ..16
ReturnDataObjectContains the return information.
FormIL340ObjectIdentifies the Form IL 3/40 data.
BusinessClassStringType of business calssification
Allowed values

"SOLE_PROPRIETOR", "S_CORPORATION", "C_CORPORATION", "PARTNERSHIP","TRUST_OR_ESTATE", "EXEMPT_ORGANIZATION", "STATE_AND_LOCAL_GOVERNMENT"

IsNoEmpOrBusienssClosedBooleanIf true identifies that the business has ceased operations or had no employees during that quarter.
IsNoWageReportedBooleanWhen true, indicates that no wage is reported in this quarter
UIIdNumStringEmployer's Illinois Unemployment Account Number
Size Range: 8 digits
Sample format: 99999999
EmployerTaxTypeStringEmployment tax type
Allowed values

"TAXABLE_EMPLOYER", "REIMBURSABLE_EMPLOYER"

TotWagesAmtNumberTotal wages paid for the quarter.
Size Range: 0-99999999999.99
TotExcessWageAmtNumberTotal excess wages paid for the quarter.
Size Range: 0-99999999999.99
TotTaxableWagesNumberTotal taxable wages paid for all employees in the quarter that is subject to Illinois Unemployment Insurance.
Size Range: 0-99999999.99
TaxRateNumberTax rate for the quarter.
Size Range: 1-100
ContribAmtNumberContribution amount for the quarter
Size Range: 0-99999999.99
InterestNumberOptional Interest due for the quarter (2% per month after the due date).
Size Range: 0-99999999.99
PenaltyLateFilingNumberOptionalLate filing penalty for the quarter.
Size Range: 0-99999999.99
UnderPaymentNumberOptionalLate filing penalty for the quarter.
Size Range: 0-99999999.99
OverPaymentNumberOptionalLate filing penalty for the quarter.
Size Range: 0-99999999.99
BalanceDueNumberTotal remittance due for the quarter.
Size Range: 0-99999999.99
NumOfEmployeesObjectIdentifies the total number of employees for the quarter.
Month1TotEmployeesstringTotal number of employees in month 1 of the quarter.
Size Range: 0-9999999
Month2TotEmployeesstringTotal number of employees in month 2 of the quarter.
Size Range: 0-9999999
Month3TotEmployeesstringTotal number of employees in month 3 of the quarter.
Size Range: 0-9999999
EmployeeDetailsObjectObject to identify the employee details.
EmpSequenceIdstringA unique number to identify this record.
Size Range: 1-10
EmployeeIdGuidOptionalA unique ID generated by TaxBandits after the return is created Size Range: ..10
EmployeeIdGuidOptionalA unique ID generated by TaxBandits after the return is created and returned in the response.
EmpRefstringA unique identifier of the employee.
Size Range: 1-50
SSNstringEmployee's Social Security Number (SSN).
Size Range: 9-11
FirstNmstringEmployee's first name.
Size Range: 1-15
MiddleNmstringOptionalEmployee's middle name.
Size Range: 1-15
LastNmstringEmployee's last name.
Size Range: 1-20
SuffixstringOptionalEmployee's suffix.
Allowed values

"Jr", "Sr", "I", "II", "III", "IV", "V", "VI", "VII","Jr", "Sr", "I", "II", "III", "IV", "V", "VI", "VII"

GrossWagesAmtNumberTotal gross wages reported for the quarter.
Size Range: 0-99999999999.99
TaxableAmtNumberTotal taxable wages from the gross wages paid to the employee
Size Range: ..99999999.99
Note: The taxable wage base limit varies by tax year. Refer to the updated base limits provided above for each tax year.
ExcessAmtNumberTotal excess wages for the quarter.
Size Range: ..99999999.99

Request Params

"Statefilings/ILUI/Get?RecordId=f5c0b155-7261-4f9d-b0bc-cad7a0f69d2e&SubmissionId=01993c45-e77e-7383-823a-d13273fd717c"

Response JSON

Success Response - This is a sample response for successful API requests.

{
"StatusCode": "200",
"StatusName": "Ok",
"StatusMessage": "Successful API call",
"SubmissionId": "019d481d-5a04-776d-929c-20b10b4a9e3b",
"StateUIRecords": [
{
"SequenceId": "001",
"ReturnHeader": {
"Qtr": "Q1",
"TaxYr": "2026",
"Business": {
"BusinessId": "43866b7e-798a-4be4-9510-be58326425fa",
"BusinessNm": "Snowdaze LLC",
"PayerRef": null,
"FirstNm": null,
"MiddleNm": null,
"LastNm": null,
"Suffix": null,
"TradeNm": "Mayfill Tech",
"IsEIN": true,
"EINorSSN": "74-6572341",
"Email": "james@sample.com",
"ContactNm": "John",
"Phone": "(789) 456-1231",
"PhoneExtn": null,
"Fax": null,
"BusinessType": "SLGOV",
"SigningAuthority": {
"Name": "James Smith",
"Phone": "(993) 456-7890",
"BusinessMemberType": "DIRECTOR"
},
"KindOfEmployer": null,
"KindOfPayer": null,
"IsBusinessTerminated": false,
"IsForeign": false,
"USAddress": {
"Address1": "12 Main st",
"Address2": "CC avenue",
"City": "Rock Hill",
"State": "SC",
"ZipCd": "29730"
},
"ForeignAddress": null,
"ACADetails": null
}
},
"ReturnData": {
"RecordId": "019d481d-a338-7429-8f56-e1ef56e74b03",
"FormIL340": {
"IsNoEmpOrBusienssClosed": false,
"IsNoWageReported": false,
"UIIdNum": "8934577",
"EmployerTaxType": "TAXABLE_EMPLOYER",
"TaxRate": 0.5,
"TotWagesAmt": 50000,
"TotExcessWageAmt": 49600,
"TotTaxableWages": 400,
"ContribAmt": 2,
"Interest": 45455,
"PenaltyLateFiling": 355,
"Underpayment": 355,
"Overpayment": 355888,
"BalanceDue": -309721,
"NumOfEmployees": {
"Month1TotEmployees": 10,
"Month2TotEmployees": 0,
"Month3TotEmployees": 0
},
"EmployeeDetails": [
{
"EmpSequenceId": "01",
"EmployeeId": "8a664620-7ff5-4fcb-b79c-20f85e179553",
"EmpRef": null,
"SSN": "001-45-6924",
"FirstNm": "John",
"MiddleNm": "A",
"LastNm": "Smith",
"Suffix": "Sr",
"GrossWagesAmt": 50000,
"TaxableAmt": 400,
"ExcessAmt": 49600,
"USAddress": {
"Address1": "12 Main St",
"Address2": "CC avenue",
"City": "Rock Hill",
"State": "SC",
"ZipCd": "29730"
}
}
]
}
}
}
],
"Errors": null
}