Version: 2.0.0

Update

Use this endpoint to update the information on existing FR-900Q forms that are already created for a specific employer (payer).

You cannot update a return once it has been transmitted.

POST StateFilings/DCFR900Q/Update

Run in Postman

Request Body

Field	Type	Description
SubmissionId	Guid	Unique identifier created by TaxBandits for each submission.
StateWHRecords	Object[]	Object to identify the records.
SequenceId	String	A unique identifier for this record. Size Range: ..50
RecordId	Guid	A unique identifier generated by TaxBandits when a FR-900Q return is created.
ReturnHeader	Object	Contains business information.
TaxYear	String	The tax year for which the Form FR900Q is to be filed. Allowed values 2025,2026
Qtr	String	The quarter for which the Form FR900Q is to be filed. Allowed values "Q1", "Q2", "Q3", "Q4"
Business	object	Object to identify the Business Details.
BusinessId	Guid	Optional Use the unique Business ID (Generated by TaxBandits) that you received in the response of the Business CREATE Endpoint. If you do not have a Business ID, ignore the field. By giving the Business ID, you do not have to provide all the business information again.
PayerRef	string	Optional Your unique identifier for the payer. Can replace BusinessId in future requests. Size Range: 50
IsDefaultBusiness	Boolean	When set to TRUE, this business will be set as the default across requests that do not specify a business.
TINDetails	object	TIN information for the business.
Format	string	Specifies how the TIN is passed. Allowed values "PLAIN_TIN" — Pass TIN directly, "TOKENIZED_TIN" — Pass tokenized TIN.
TINType	string	Specify the TIN type of the business. Allowed values "EIN", "SSN", "QI-EIN", "ITIN", "WP-EIN", "WT-EIN", "NQI-EIN", "IRSN"
TIN	string	The TIN value according to the Format selected.
IndividualNm	object	Optional Required when TINType is SSN. Provide individual name fields instead of BusinessNm.
FirstNm	string	The first name of the individual. Size Range: 20
MiddleNm	string	Optional Middle name of the individual. Size Range: 20
LastNm	string	The last name of the individual. Size Range: 20
Suffix	string	Optional Suffix of the individual's name. Allowed values "Jr", "Sr", "I", "II", "III", "IV", "V", "VI", "VII"
BusinessNm	string	Legal name of the business. Required when TINType is EIN. Size Range: 75
NameCtrl	string	Name control of the business as registered with the IRS. Size Range: 3-4
DBADetails	object[]	Optional DBA (Doing Business As) information.
DBANm	string	Name of the DBA. Size Range: 75
DBARef	string	Unique identifier for the DBA. Size Range: 1-50
DBAId	Guid	TaxBandits-generated DBA identifier.
Address	object[]	Address information of the DBA.
Address1	string	Street address or PO Box. Size Range: 46
Address2	string	Optional Suite or apartment number. Size Range: 46
City	string	DBA's city. Size Range: 50
ProvinceOrState	string	DBA's province or state name. When the country code is US: 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" When the country code is CA: Allowed values "AB", "BC", "MB", "NB", "NL", "NT", "NS", "NU", "ON", "PE", "QC", "SK", "YT" Note: The size range is set to 50 for all countries except the United States and Canada.
Zipcd	string	DBA's ZIP code. Size Range: 5-16
Country	string	DBA's 2-character country code. Allowed values "US","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"
Email	string	Optional Email address of the Business. Size Range: ..100
Address	object	Primary address of the business.
Address1	string	Street address or PO Box of the business. Size Range: 46
Address2	string	Optional Suite or apartment number of the business. Size Range: 46
City	string	City of the business. Size Range: 50
ProvinceOrState	string	Province or state name of the business. When the country code is US: 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" When the country code is CA: Allowed values "AB", "BC", "MB", "NB", "NL", "NT", "NS", "NU", "ON", "PE", "QC", "SK", "YT" Note: The size range is set to 50 for all countries except the United States and Canada.
ZipCd	string	ZIP code of the business. Size Range: 5-16
Country	string	2-character country code of the business. Allowed values "US","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"
ContactDetails	object[]	Details of the person the IRS can contact regarding the given business.
FirstNm	string	First name of the contact person. Size Range: 20
MiddleNm	string	Optional Middle name of the contact person. Size Range: 20
LastNm	string	Last name of the contact person. Size Range: 20
Suffix	string	Optional The suffix of the contact person. Allowed values "Jr", "Sr", "I", "II", "III", "IV", "V", "VI", "VII"
Phone	string	Optional Phone number of the contact person. Size Range: 10 digits
PhoneExtn	string	Optional Phone extension number. Size Range: 5
Email	string	Optional Email address of the contact person. Size Range: ..100
Fax	string	Optional Fax number of the contact person. Size Range: 10 digits
SigningAuthority	Object	Details of the person authorized to sign the return.
FirstNm	String	First name of the signatory. Size Range: 20
MiddleNm	String	Optional Middle name of the signatory. Size Range: 20
LastNm	String	Last name of the signatory. Size Range: 20
Suffix	String	Optional The suffix of the signatory. Allowed values "Jr", "Sr", "I", "II", "III", "IV", "V", "VI", "VII"
Phone	String	Optional Phone number of the signatory. Size Range: 10 digits
PhoneExtn	String	Optional Phone extension number of the signatory. Size Range: 5
BusinessMemberType	String	Optional Title or role of the signatory. 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", "REPORTINGAGENT"
ReturnData	Object[]	Identifies the Form FR-900Q data.
FormFR900Q	Object	DC withholding quarterly tax return.
WHIdNum	String	DC withholding ID number issued by the DC Office of Tax and Revenue. Must begin with "300". Size Range: 12
IsBusinessClosed	Boolean	When true, indicates that the business has been closed. When set to true, LastPayrollDt is required and all other Form FR-900Q nodes should be null.
LastPayrollDt	String	Optional Required when IsBusinessClosed is true. Last payroll date on which wages were paid before the business closed. Enter the date in the format: MM/DD/YYYY or MM-DD-YYYY.
IsDiffMailAddr	Boolean	When true, indicates that the mailing address is different from the business address. When true, MailAddress is required.
MailAddress	Object	Optional Required when IsDiffMailAddr is true. Mailing address of the business.
Address1	string	Street address or PO Box. Size Range: 46
Address2	string	Optional Suite or apartment number. Size Range: 46
City	string	City of the mailing address. Size Range: 50
ProvinceOrStateNm	string	Province or state name. When the country code is US: 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" When the country code is CA: Allowed values "AB", "BC", "MB", "NB", "NL", "NT", "NS", "NU", "ON", "PE", "QC", "SK", "YT" Note: The size range is set to 50 for all countries except the United States and Canada.
Zipcd	string	ZIP code. Size Range: 5-16
Country	string	2-character country code. Note: Only country code "US" is allowed.
TotTaxWH	Number	Total DC income tax withheld for the quarter. Size Range: 0-999999999.99
IsMonthlyPayer	Boolean	When true, identifies the payer as a monthly filer. When true, Month1TaxWH, Month2TaxWH, and Month3TaxWH are required and their sum must equal TotTaxWH.
Month1TaxWH	Number	Optional Required when IsMonthlyPayer is true. DC income tax withheld for the first month of the quarter. Size Range: 0-999999999.99
Month2TaxWH	Number	Optional Required when IsMonthlyPayer is true. DC income tax withheld for the second month of the quarter. Size Range: 0-999999999.99
Month3TaxWH	Number	Optional Required when IsMonthlyPayer is true. DC income tax withheld for the third month of the quarter. Size Range: 0-999999999.99
TotTaxPaid	Number	Total tax deposit made for the quarter. Size Range: 0-999999999.99
TotWHDue	Number	Optional Balance due amount when TotTaxWH is greater than TotTaxDeposit. Must equal (TotTaxWH - TotTaxDeposit). Size Range: 0-999999999.99
Overpayment	Number	Optional Overpayment amount when TotTaxDeposit is greater than TotTaxWH. Must equal (TotTaxDeposit - TotTaxWH). Size Range: 0-999999999.99
OverPaymentRecoveryType	String	Optional Required when Overpayment has a value. Indicates how the overpayment should be recovered. Allowed values "APPLYTORETURN", "REFUND"
IsThirdPartyDesignee	Boolean	When true, indicates that a third-party designee is authorized to discuss this return with the DC Office of Tax and Revenue. When true, ThirdPartyDesignee is required.
ThirdPartyDesignee	Object	Optional Required when IsThirdPartyDesignee is true. Details of the third-party designee.
Name	string	Name of the third-party designee. Size Range: ..75
Phone	string	Phone number of the third-party designee. Size Range: 10

Response Body

Field	Type	Description
SubmissionId	Guid	Unique identifier of a submission.
SuccessRecords	object[]	It will show the detailed information about the success status of Form FR-900Q records.
SequenceId	string	A unique number given by an inbound application to identify particular records.
BusinessId	Guid	Unique identifier of a Business.
PayerRef	string	Unique identifier of the payer.
RecordId	Guid	A unique identifier generated by TaxBandits when a FR-900Q return is created.
FormType	string	Denotes the type of withholding form (Form FR-900Q).
EmployeeData	object[]	Object to identify the employee details.
EmployeeId	Guid	Returns the unique identifier of the employee generated by TaxBandits.
Status	string	Returns the employee status.
StatusTs	string	Returns the date and time when the employee was removed from the return.
Info	string	Provides additional information about the employee status.
Errors	object[]	Displays error information related to the state returns of Form FR-900Q.
Id	string	Returns the validation error ID.
Name	string	Name of the validation error.
ErrorRecords	object[]	Provides detailed information about the error status of Form FR-900Q records.
SequenceId	string	A unique reference ID for the submission that can be used to identify a particular record. The Sequence ID will be returned in the response for your reference.
RecordId	Guid	Unique identifier for the record.
Errors	object[]	Displays detailed error information.
Id	string	Returns the validation error ID.
Name	string	Name of the validation error.
Message	string	Description of the validation error.

Request JSON

{
"SubmissionId": "01a0e742-a1a5-73e8-9f70-9b28610865a3",
"StateWHRecords": [
  {
    "SequenceId": "001",
    "RecordId": "01a0e742-a30c-708f-a05f-dc3b070a162a",
    "ReturnHeader": {
      "Qtr": "Q1",
      "TaxYear": "2026",
      "Business": {
        "PayerRef": "",
        "IsDefaultBusiness": true,
        "TINDetails": {
          "Format": "PLAIN_TIN",
          "TINType": "EIN",
          "TIN": "45-0070708"
        },
        "IndividualNm": {
          "FirstNm": "",
          "MiddleNm": "",
          "LastNm": "",
          "Suffix": ""
        },
        "BusinessNm": "Snowdaze LLC",
        "NameCtrl": "SNOW",
        "DBADetails": {
          "DBANm": "Iceberg Icecreams",
          "DBARef": "DBA1001",
          "Address": {
            "Address1": "123 Main St",
            "Address2": "Suite 1001",
            "City": "Rock Hill",
            "ProvinceOrState": "SC",
            "ZipCd": "29730",
            "Country": "US"
          }
        },
        "Address": {
          "Address1": "123 Main St",
          "Address2": "Suite 1001",
          "City": "Rock Hill",
          "ProvinceOrState": "SC",
          "ZipCd": "29730",
          "Country": "US"
        },
        "ContactDetails": {
          "FirstNm": "James",
          "MiddleNm": "A",
          "LastNm": "Anderson",
          "Suffix": "Jr",
          "Phone": "(803) 555-1234",
          "PhoneExtn": "101",
          "Email": "contact@snowdaze.com",
          "Fax": "(803) 555-5678"
        },
        "BusinessType": "ESTE",
        "SigningAuthority": {
          "FirstNm": "Ambrane",
          "MiddleNm": "A",
          "LastNm": "Cavil",
          "Suffix": "Jr",
          "Phone": "(803) 555-1000",
          "PhoneExtn": "111",
          "BusinessMemberType": "ADMINISTRATOR"
        },
        "KindOfEmployer": "FEDERALGOVT",
        "KindOfPayer": "REGULAR941"
      }
    },
    "ReturnData": {
      "FormFR900Q": {
        "WHIdNum": "300516556165",
        "IsBusinessClosed": true,
        "LastPayrollDt": "02/20/2025",
        "IsDiffMailAddr": true,
        "MailAddr": {
          "Address1": "210 Gervais Street",
          "Address2": "Floor 3",
          "City": "Columbia",
          "State": "SC",
          "ZipCd": "29204"
        },
        "TotTaxWH": 1500,
        "IsMonthlyPayer": true,
        "Month1TaxWH": 500,
        "Month2TaxWH": 500,
        "Month3TaxWH": 500,
        "TotTaxPaid": 2000,
        "TotWHDue": 0,
        "Overpayment": 500,
        "OverPaymentRecoveryType": "APPLYTORETURN",
        "IsThirdPartyDesignee": true,
        "ThirdPartyDesignee": {
          "Name": "Martin Bradley",
          "Phone": "8037654321"
        }
      }
    }
  }
]
}

Response JSON

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

{
  "SubmissionId": "01a0e742-a1a5-73e8-9f70-9b28610865a3",
  "SuccessRecords": [
      {
          "SequenceId": "001",
          "BusinessId": "f7fcb630-68f6-4d0b-acb4-3a00910c4d05",
          "PayerRef": null,
          "RecordId": "01a0e742-a30c-708f-a05f-dc3b070a162a",
          "FormType": "FR900Q",
          "Status": "CREATED",
          "StatusTs": "2026-09-28 05:06:29 -04:00",
          "Info": null,
          "Errors": null
      }
  ],
  "ErrorRecords": null,
  "Errors": null
}

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1099 Automation

TIN Matching

W-2 Automation

941/940 Automation

1098-T Automation

ACA Automation

Extension Automation

1042-S Automation

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HCM Providers

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Response Body

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Response JSON​

Request JSON

Response JSON