SDI Error Code Legend

SDI Error Codes and Descriptions

This table provides a comprehensive list of error codes issued by the Sistema di Interscambio (SDI) along with their descriptions. These error codes are returned when issues are encountered during the transmission and processing of electronic invoices. Each entry includes a unique error code, the type of error, and a detailed description to help understand and resolve the issue.

ERROR CODE ERROR TYPE Description
00001 Invalid file name The error occurs when the name of the submitted file does not conform to the technical specifications of SdI.
00002 Duplicate file name This error occurs when attempting to submit the same document again or a different file with the same name as one previously sent to SDI.
00003 File size exceeds allowed limits There are size limits for the submitted file, which vary depending on the submission method.
00100 Expired signature certificate This error indicates that the signature certificate, used to ensure the integrity of the invoice information and the authenticity of the user (invoice holder), has expired.
00101 Revoked signature certificate This error indicates that the qualified signature certificate, used to ensure the integrity of the invoice information and the authenticity of the user (invoice holder), has been revoked.
00102 File not intact (invalid signature) This error indicates that the qualified signature certificate, used to ensure the integrity of the invoice information and the authenticity of the user (invoice holder), is invalid.
00103 File signed without timestamp This error indicates that the file does not have a timestamp (date/time) associated with the qualified signature certificate.
00104 Untrusted CA (Certification Authority) This error indicates that the qualified signature certificate, used to ensure the integrity of the invoice information and the authenticity of the user (invoice holder), is from an untrusted Certification Authority.
00105 File signed with inconsistent timestamp This error occurs when there is a temporal inconsistency between the file creation date/time and the timestamp of the qualified signature certificate. It is evident that signing a document before its creation is not acceptable.
00106 Empty or corrupted file/archive This error occurs when SDI receives a file that is empty or corrupted.
00107 Invalid certificate This error indicates that the qualified signature certificate, used to ensure the integrity of the invoice information and the authenticity of the user (invoice holder), is invalid.
00200 File not compliant with format This code identifies a generic non-compliance with the format of the submitted file.
00201 Exceeded maximum number of format errors This code indicates that multiple errors have been found in the submitted file for which a single error code cannot be identified.
00300 Invalid fiscal code of the sender The error is due to an incorrect value for the fiscal code parameter of the third party (Intermediary - in the case of using our management system, it is Aruba Pec S.p.A.) providing the invoice creation and submission service.
00301 Invalid VAT ID of the Supplier The error is due to an incorrect value for the VAT ID parameter of the user (invoice holder).
00302 Invalid Tax Code of the Supplier The error is due to an incorrect value for the tax code parameter of the user (invoice holder).
00303 Invalid VAT ID of the Tax Representative If the user (invoice holder) is not resident in Italy, they can use a tax representative resident in Italy. This error code indicates that the VAT ID associated with the Italian tax representative is not valid.
00304 Invalid Tax Code of the Tax Representative If the user (invoice holder) resides abroad, they can use a tax representative resident in Italy. This error code indicates that the tax code associated with the Italian tax representative is not valid.
00305 Invalid VAT ID of the Buyer/Client The error is due to an incorrect value for the VAT ID parameter of the invoice recipient.
00306 Invalid Tax Code of the Buyer/Client The error is due to an incorrect value for the tax code parameter of the invoice recipient.
00311 Invalid Recipient Code The error is due to an incorrect value for the unique office code parameter of the invoice recipient.
00312 Inactive Recipient Code The error is due to the value entered for the unique office code parameter of the recipient PA, which is not active.
00313 Invalid Country ID field The error is due to an incorrect value in the country ID field. When invoicing entities not resident in Italy, the country ID field for the buyer/client must contain a value other than "IT".
00320 Inconsistency between VAT ID and Tax Code (Supplier) The error is due to an inconsistency between the VAT ID and the tax code (if both are present) for the supplier.
00321 Inconsistency between VAT ID and Tax Code (Supplier) The error concerns the tax code of the supplier who does not appear to belong to the VAT group.
00322 Tax Code of the Supplier not present in the VAT group The error concerns the tax code of the supplier who does not appear in the VAT group.
00323 Autofattura VAT ID of the Supplier ceased for more than 5 years The error, in the case of an autofattura, is due to the VAT ID of the supplier having been ceased for more than 5 years.
00324 Inconsistency between VAT ID and Tax Code (Buyer) The error is due to an inconsistency between the VAT ID and the tax code (if both are present) for the buyer.
00325 Tax Code of the Buyer/Client not part of the VAT group The error concerns the tax code of the buyer/client who does not appear to belong to the VAT group.
00326 Tax Code of the Buyer/Client not present in the VAT group The error concerns the tax code of the buyer/client who does not appear in the VAT group.
00330 PEC address different from that of SdI The error is that the PEC address indicated in the recipient PEC field is one of SdI's receiving addresses and not the recipient's address.
00398 Office code present and uniquely identifiable in the reference database, with a recipient code set to the Central Office code At the time of the SdI's verification of the invoice, if an existing unique office code (different from "Central") linked to the PA's tax code is found, the error is flagged and the user is informed of the "Unique Office Code" corresponding to the PA in question.
00399 Tax code of the Buyer/Client present in the reference database with Recipient Code set to "999999" At the time of the SdI's verification of the invoice, if the PA is found in the IPA, and therefore a unique office code linked to the PA's tax code is present, the error is flagged and the user is informed of the unique office code corresponding to the PA in question.
00400 Detail line with zero VAT rate must include the Nature field The error is due to entering a VAT rate of 0 (zero) in the VAT code field while leaving the Nature field empty or selecting an incompatible VAT Type (e.g., taxable or non-deductible).
00401 Detail line with non-zero VAT rate must not include the Nature field The error is likely due to entering a VAT rate other than 0 (zero) in the VAT code field while selecting an incompatible VAT type (e.g., exempt, excluded, out of scope). The Nature field, except for TD16, should only be filled in cases of a zero VAT rate.
00403 The invoice date must not be later than the receipt date This error occurs when SdI receives a postdated file.
00404 Duplicate invoice This error code is returned by SdI when attempting to submit an invoice that has already been transmitted and processed (by SdI) with the same number, year, and document type.
00409 Duplicate invoice in the batch This error code is returned when attempting to submit an XML invoice batch containing an invoice that has already been transmitted and processed (by SdI) with the same number, year, and document type.
00411 If there is a detail line with Withholding Tax set to YES, the block DataGeneral/DataGeneralDocument/WithholdingTax must be present If the user (invoice holder) has selected withholding tax, they must also specify the parameters related to withholding tax type, withholding percentage, and withholding payment reason.
00413 In the DatiCassaPrevidenziale block with VAT rate equal to zero, the Natura field must be present If the user (invoice issuer) has selected social security contribution (within the Tax Regime section) and set the VAT rate to 0 (zero), the Natura field must be specified as well.
00414 In the DatiCassaPrevidenziale block with VAT rate different from zero, the Natura field must not be present If the user (invoice issuer) has selected social security contribution (within the Tax Regime section) and set the VAT rate to a value different from 0 (zero), the Natura field must not be specified.
00415 If there is a DatiCassaPrevidenziale block with Retention equal to YES, the DatiGenerali/DatiGeneraliDocumento/DatiRitenuta block must be present If the user (invoice issuer) has selected social security contribution subject to withholding within the social security section, the parameters related to withholding tax must be provided, including Withholding Type, withholding percentage, and withholding payment reason.
00417 At least one of the IdFiscaleIVA and CodiceFiscale fields of the Cessionario/Committente must be populated The reason for the error is the lack of entry in at least one of the tax code or VAT number fields of the invoice recipient.
00418 The date of the Credit Note document cannot be earlier than the date of the related invoice mentioned in the same file The date of the credit note document cannot be earlier than the date of the related invoice mentioned in the same file (FatturaPA).
00419 There is a VAT rate in the document for which the corresponding DatiRiepilogo block is missing There is a VAT rate in the document for which the corresponding DatiRiepilogo block is missing (FatturaPA).
00420 In the DatiRiepilogo block with VAT applicability equal to "S" (split payments), the Natura field cannot have the value "N6" (reverse charge) In the DatiRiepilogo block with VAT applicability equal to "S" (split payments), the Natura field cannot have the value "N6" (reverse charge) (FatturaPA).
00421 The value of the Tax field is not calculated according to the rules defined in the technical specifications The value of the Tax field shows an incorrect value/calculation (FatturaPA).
00422 The value of the Taxable Amount field is not calculated according to the rules defined in the technical specifications The value of the Taxable Amount field shows an incorrect value/calculation (FatturaPA).
00423 The value of the Total Price field is not calculated according to the rules defined in the technical specifications The value of the Total Price field shows an incorrect value/calculation (FatturaPA).
00424 The VAT rate must be indicated in percentage terms The VAT rate must be indicated in percentage terms.
00425 The invoice number must contain at least one numeric character The invoice number must contain at least one numeric character from 0 to 9.
00427 The recipient code has a number of characters that does not comply with the "FormatoTrasmissione FPA12" format This error occurs when uploading XML invoices and indicates that the recipient code format is incorrect, containing a number of characters different from 6.
00428 The used format code does not fall within those provided by the regulations This error occurs when uploading XML invoices and indicates that the format code used does not fall within those provided by the regulations.
00429 In the Riepilogo data, the Natura field is not populated, despite a VAT rate of zero The reason for the error is entering a VAT rate of 0 (zero) while leaving the Natura field empty or selecting an incompatible VAT Type (e.g., taxable or non-deductible).
00430 In the Riepilogo data, the Natura field is populated, despite a VAT rate different from zero The reason for the error is likely entering a VAT rate different from 0 (zero) while selecting an incompatible VAT Type (e.g., exempt, excluded, out of scope). The Natura field should be populated only if the VAT rate is zero.
00437 Discount or Surcharge applied to the total document is populated without percentage and/or amount values present This error occurs when the Type field in the Discount/Surcharge block is populated, but the Percentage and Amount fields are left empty.
00438 Discount or Surcharge applied to the unit price is populated without percentage and/or amount values present This error occurs when the Type field in the Discount/Surcharge block is populated, but the Percentage and Amount fields are left empty.
00443 The VAT rates associated with products and/or social security contributions do not match those present in the VAT summary There is a mismatch between the VAT rates listed in element 2.2.1.12 <AliquotaIVA> or 2.1.1.7.5 <AliquotaIVA> and those in element 2.2.2.1 <AliquotaIVA> (all VAT rates present in the invoice line items or social security data must also be present in the VAT summary data).
00444 The VAT natures associated with products and/or social security contributions in the invoice do not match those present in the VAT summary There is a mismatch between the VAT natures listed in element 2.2.1.14 <Natura> or 2.1.1.7.7 <Natura> and those in element 2.2.2.2 <Natura> (all VAT nature values present in the invoice line items or social security data must also be present in the VAT summary data).
00445 There is a generic VAT nature (N2, N3, or N6) that is no longer valid - Check effective from January 2021 The document uses a generic VAT Nature code, N2, N3, or N6, for VAT rates of 0%, which is no longer permitted by the Revenue Agency.
00459 RF03 value not allowed for the 1.2.1.8 "RegimeFiscale" field The error is due to the RF03 tax regime value in the Regime Fiscale field, which is no longer permitted by SdI.
00471 The supplier cannot be the same as the buyer/contractor For TD01, TD02, TD03, TD06, TD07, TD16, TD17, TD18, TD19, TD20, TD24, TD25, and TD28, the supplier cannot be the same as the buyer/contractor of the invoice.
00472 The supplier must be the same as the buyer/contractor For TD21 and TD27, the supplier must be the same as the buyer/contractor of the invoice.
00473 Italian supplier not allowed TD17, TD18, TD19, and TD28 do not allow an Italian supplier to be indicated in the invoice. Additionally, for TD28, the supplier must be San Marinese, with IdPaese equal to SM (San Marino).
00475 Supplier without VAT Number / Tax ID TD16, TD17, TD18, TD19, TD20, TD22, TD23, and TD28 do not allow an invoice to have a supplier without a VAT Number / Tax ID (only with a tax code).
00476 Both supplier and buyers with foreign VAT numbers An invoice cannot simultaneously have both the supplier’s and the buyer’s VAT numbers from countries other than Italy.
00477 Invalid intention declaration The error is due to an incorrect value for the intention declaration parameter.