We are implementing the QR code logic for Phase 2 (Simplified Invoice – B2C) and are encountering the following error during testing:
{
“type”: “ERROR”,
“code”: “QRCODE_INVALID”,
“category”: “QRCODE_VALIDATION”,
“message”: “Failed to validate QR code”,
“status”: “ERROR”
}
We are following the TLV structure as specified in the Phase 2 QR Code Specification, including all nine(9) tags in the correct order. The QR code is Base64-encoded and structured as follows using UTF-8 and Base64 where applicable.
Code Snippet Used:
// Sample Data:
const data = {
sellerName: ‘Maximum Speed Tech Supply LTD’,
vatNumber: ‘399999999900003’,
timestamp: ‘2025-05-23T11:30:00Z’,
totalWithVAT: ‘231.15’,
vatTotal: ‘30.15’,
xmlHash: ‘gNbPvzpBTouG/38v+kvMnu9JYsICf1LTmJGh7bsxFd8=’,
ecdsaSignature: ‘MEYCIQD/4zOGvJ1yXDSBA1zfpaF8pEUndHJepPByFv3u6oQfjwIhALVuk0pegtwN5hqhTkNe6qRHcEVSHiPumhQYeQJ33EH2’,
ecdsaPublicKey: ‘MFYwEAYHKoZIzj0CAQYFK4EEAAoDQgAEa1wc5vpwETzYoXTXPXMSzdzW8z5/aNXdRh/zoemvzlZ4clR5fvvQzvwMfr7WM9v0dDkoet6MIiETSWUMrrK0VQ==’,
certificateSignature: ‘3045022100b13f89c8669d65c250a51b71adf2722f28ab068bbc574756342bbde23dbaa01b02203d842e0cf2380c0400cf4b399ddae88f240ea0291dcb134dd4ef97aa6c2feb5c’,
}
// output data in base64
const outputQRcode = ‘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’
generateQRCode(data: {
sellerName: string;
vatNumber: string;
timestamp: string;
totalWithVAT: string;
vatTotal: string;
xmlHash?: string; // hex string
ecdsaSignature?: string; // base64 string
ecdsaPublicKey?: string; // base64 string (not PEM)
certificateSignature?: string; // base64 string
}): string {
const tlvBuffers: Buffer = ;
console.log(‘Generating QR Code with data:’, data); // Debugging line
// Tags 1-5: UTF-8
tlvBuffers.push(this.encodeTLV(1, Buffer.from(data.sellerName, ‘utf-8’)));
tlvBuffers.push(this.encodeTLV(2, Buffer.from(data.vatNumber, ‘utf-8’)));
tlvBuffers.push(this.encodeTLV(3, Buffer.from(data.timestamp, ‘utf-8’)));
tlvBuffers.push(this.encodeTLV(4, Buffer.from(data.totalWithVAT, ‘utf-8’)));
tlvBuffers.push(this.encodeTLV(5, Buffer.from(data.vatTotal, ‘utf-8’)));
// Tag 6: Invoice Hash (hex string to Buffer)
if (data.xmlHash) {
tlvBuffers.push(this.encodeTLV(6, Buffer.from(data.xmlHash, 'utf-8')));
}
// Tag 7: ECDSA Signature (utf-8 string to Buffer)
if (data.ecdsaSignature) {
tlvBuffers.push(this.encodeTLV(7, Buffer.from(data.ecdsaSignature, 'utf-8')));
}
// Tag 8: ECDSA Public Key (utf-8 string to Buffer, remove PEM headers if present)
if (data.ecdsaPublicKey) {
tlvBuffers.push(this.encodeTLV(8, Buffer.from(data.ecdsaPublicKey, 'base64')));
}
// Tag 9: Certificate signature (base64 string to Buffer)
if (data.certificateSignature) {
const buffer = Buffer.from(data.certificateSignature, 'base64');
const base64 = buffer.toString('base64');
tlvBuffers.push(this.encodeTLV(9, Buffer.from(base64, 'base64')));
}
const qrCodeBase64 = Buffer.concat(tlvBuffers).toString('base64');
return qrCodeBase64;
}
private encodeTLV(tag: number, value: Buffer): Buffer {
// if (value.length > 255) throw new Error(‘TLV value too long for 1-byte length’);
// return Buffer.concat([Buffer.from([tag]), Buffer.from([value.length]), value]);
const {length} = value;
const tagBuffer = Buffer.alloc(1);
const lengthBuffer = Buffer.alloc(1);
tagBuffer.writeUInt8(tag);
lengthBuffer.writeUInt8(length);
return Buffer.concat([tagBuffer, lengthBuffer, value]);
}
// xml file data
ext:UBLExtensions
ext:UBLExtension
ext:ExtensionURIurn:oasis:names:specification:ubl:dsig:enveloped:xades</ext:ExtensionURI>
ext:ExtensionContent
<sig:UBLDocumentSignatures xmlns:sac=“urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2” xmlns:sbc=“urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2” xmlns:sig=“urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2”>
sac:SignatureInformation
cbc:IDurn:oasis:names:specification:ubl:signature:1</cbc:ID>
sbc:ReferencedSignatureIDurn:oasis:names:specification:ubl:signature:Invoice</sbc:ReferencedSignatureID>
<ds:Signature xmlns:ds=“XML-Signature Syntax and Processing” Id=“signature”>
ds:SignedInfo
<ds:CanonicalizationMethod Algorithm=“Canonical XML 1.1”></ds:CanonicalizationMethod>
<ds:SignatureMethod Algorithm=“xmldsig-more namespace”></ds:SignatureMethod>
<ds:Reference Id=“invoiceSignedData” URI=“”>
ds:Transforms
<ds:Transform Algorithm=“XML Path Language (XPath)”>
ds:XPathnot(//ancestor-or-self::ext:UBLExtensions)</ds:XPath>
</ds:Transform>
<ds:Transform Algorithm=“XML Path Language (XPath)”>
ds:XPathnot(//ancestor-or-self::cac:Signature)</ds:XPath>
</ds:Transform>
<ds:Transform Algorithm=“XML Path Language (XPath)”>
ds:XPathnot(//ancestor-or-self::cac:AdditionalDocumentReference[cbc:ID=‘QR’])</ds:XPath>
</ds:Transform>
<ds:Transform Algorithm=“Canonical XML 1.1”></ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm=“XML Encryption Syntax and Processing”></ds:DigestMethod>
ds:DigestValuegNbPvzpBTouG/38v+kvMnu9JYsICf1LTmJGh7bsxFd8=</ds:DigestValue>
</ds:Reference>
<ds:Reference Type=“XML-Signature Syntax and Processing” URI=“#xadesSignedProperties”>
<ds:DigestMethod Algorithm=“XML Encryption Syntax and Processing”></ds:DigestMethod>
ds:DigestValue08OWLR0gy7dJP2azB2Wl58iprwlbkj8AQbN/EnCuYWg=</ds:DigestValue>
</ds:Reference>
</ds:SignedInfo>
ds:SignatureValueMEYCIQD/4zOGvJ1yXDSBA1zfpaF8pEUndHJepPByFv3u6oQfjwIhALVuk0pegtwN5hqhTkNe6qRHcEVSHiPumhQYeQJ33EH2</ds:SignatureValue>
ds:KeyInfo
ds:X509Data
ds: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</ds:X509Certificate>
</ds:X509Data>
</ds:KeyInfo>
ds:Object
<xades:QualifyingProperties xmlns:xades=“Assigned ETSI XML URIs” Target=“signature”>
<xades:SignedProperties Id=“xadesSignedProperties”>
xades:SignedSignatureProperties
xades:SigningTime2024-01-14T10:26:49</xades:SigningTime>
xades:SigningCertificate
xades:Cert
xades:CertDigest
<ds:DigestMethod Algorithm=“XML Encryption Syntax and Processing”></ds:DigestMethod>
ds:DigestValue0wK0EVdclWWYxeiKu0hWRSVWpauKAfesuVoGnUZmJIU=</ds:DigestValue>
</xades:CertDigest>
xades:IssuerSerial
ds:X509IssuerNameCN=PRZEINVOICESCA4-CA, DC=extgazt, DC=gov, DC=local</ds:X509IssuerName>
ds:X509SerialNumber379112742831380471835263969587287663520528387</ds:X509SerialNumber>
</xades:IssuerSerial>
</xades:Cert>
</xades:SigningCertificate>
</xades:SignedSignatureProperties>
</xades:SignedProperties>
</xades:QualifyingProperties>
</ds:Object>
</ds:Signature>
</sac:SignatureInformation>
</sig:UBLDocumentSignatures>
</ext:ExtensionContent>
</ext:UBLExtension>
</ext:UBLExtensions>
<cbc:ProfileID>reporting:1.0</cbc:ProfileID>
<cbc:ID>SME00010</cbc:ID>
<cbc:UUID>8e6000cf-1a98-4174-b3e7-b5d5954bc10d</cbc:UUID>
<cbc:IssueDate>2025-05-23</cbc:IssueDate>
<cbc:IssueTime>11:30:00</cbc:IssueTime>
<cbc:InvoiceTypeCode name="0200000">388</cbc:InvoiceTypeCode>
<cbc:Note languageID="ar">ABC</cbc:Note>
<cbc:DocumentCurrencyCode>SAR</cbc:DocumentCurrencyCode>
<cbc:TaxCurrencyCode>SAR</cbc:TaxCurrencyCode>
<cac:AdditionalDocumentReference>
<cbc:ID>ICV</cbc:ID>
<cbc:UUID>10</cbc:UUID>
</cac:AdditionalDocumentReference>
<cac:AdditionalDocumentReference>
<cbc:ID>PIH</cbc:ID>
<cac:Attachment>
<cbc:EmbeddedDocumentBinaryObject mimeCode="text/plain">NWZlY2ViNjZmZmM4NmYzOGQ5NTI3ODZjNmQ2OTZjNzljMmRiYzIzOWRkNGU5MWI0NjcyOWQ3M2EyN2ZiNTdlOQ==</cbc:EmbeddedDocumentBinaryObject>
</cac:Attachment>
</cac:AdditionalDocumentReference>
<cac:AdditionalDocumentReference>
<cbc:ID>QR</cbc:ID>
<cac:Attachment>
<cbc:EmbeddedDocumentBinaryObject mimeCode="text/plain">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</cbc:EmbeddedDocumentBinaryObject>
</cac:Attachment>
</cac:AdditionalDocumentReference>cac:Signature
cbc:IDurn:oasis:names:specification:ubl:signature:Invoice</cbc:ID>
cbc:SignatureMethodurn:oasis:names:specification:ubl:dsig:enveloped:xades</cbc:SignatureMethod>
</cac:Signature>cac:AccountingSupplierParty
cac:Party
cac:PartyIdentification
<cbc:ID schemeID=“CRN”>1010010000</cbc:ID>
</cac:PartyIdentification>
cac:PostalAddress
cbc:StreetNamePrince Sultan</cbc:StreetName>
cbc:BuildingNumber2322</cbc:BuildingNumber>
cbc:CitySubdivisionNameAl-Murabba</cbc:CitySubdivisionName>
cbc:CityNameRiyadh</cbc:CityName>
cbc:PostalZone23333</cbc:PostalZone>
cac:Country
cbc:IdentificationCodeSA</cbc:IdentificationCode>
</cac:Country>
</cac:PostalAddress>
cac:PartyTaxScheme
cbc:CompanyID399999999900003</cbc:CompanyID>
cac:TaxScheme
cbc:IDVAT</cbc:ID>
</cac:TaxScheme>
</cac:PartyTaxScheme>
cac:PartyLegalEntity
cbc:RegistrationNameMaximum Speed Tech Supply LTD</cbc:RegistrationName>
</cac:PartyLegalEntity>
</cac:Party>
</cac:AccountingSupplierParty>
cac:AccountingCustomerParty
cac:Party
cac:PostalAddress
cbc:StreetNameSalah Al-Din</cbc:StreetName>
cbc:BuildingNumber1111</cbc:BuildingNumber>
cbc:CitySubdivisionNameAl-Murooj</cbc:CitySubdivisionName>
cbc:CityNameRiyadh</cbc:CityName>
cbc:PostalZone12222</cbc:PostalZone>
cac:Country
cbc:IdentificationCodeSA</cbc:IdentificationCode>
</cac:Country>
</cac:PostalAddress>
cac:PartyTaxScheme
cbc:CompanyID399999999800003</cbc:CompanyID>
cac:TaxScheme
cbc:IDVAT</cbc:ID>
</cac:TaxScheme>
</cac:PartyTaxScheme>
cac:PartyLegalEntity
cbc:RegistrationNameFatoora Samples LTD</cbc:RegistrationName>
</cac:PartyLegalEntity>
</cac:Party>
</cac:AccountingCustomerParty>
cac:PaymentMeans
cbc:PaymentMeansCode10</cbc:PaymentMeansCode>
</cac:PaymentMeans>
cac:AllowanceCharge
cbc:ChargeIndicatorfalse</cbc:ChargeIndicator>
cbc:AllowanceChargeReasondiscount</cbc:AllowanceChargeReason>
<cbc:Amount currencyID=“SAR”>0.00</cbc:Amount>
cac:TaxCategory
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5305”>S</cbc:ID>
cbc:Percent15</cbc:Percent>
cac:TaxScheme
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5153”>VAT</cbc:ID>
</cac:TaxScheme>
</cac:TaxCategory>
cac:TaxCategory
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5305”>S</cbc:ID>
cbc:Percent15</cbc:Percent>
cac:TaxScheme
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5153”>VAT</cbc:ID>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:AllowanceCharge>
cac:TaxTotal
<cbc:TaxAmount currencyID=“SAR”>30.15</cbc:TaxAmount>
</cac:TaxTotal>
cac:TaxTotal
<cbc:TaxAmount currencyID=“SAR”>30.15</cbc:TaxAmount>
cac:TaxSubtotal
<cbc:TaxableAmount currencyID=“SAR”>201.00</cbc:TaxableAmount>
<cbc:TaxAmount currencyID=“SAR”>30.15</cbc:TaxAmount>
cac:TaxCategory
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5305”>S</cbc:ID>
cbc:Percent15.00</cbc:Percent>
cac:TaxScheme
<cbc:ID schemeAgencyID=“6” schemeID=“UN/ECE 5153”>VAT</cbc:ID>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>
cac:LegalMonetaryTotal
<cbc:LineExtensionAmount currencyID=“SAR”>201.00</cbc:LineExtensionAmount>
<cbc:TaxExclusiveAmount currencyID=“SAR”>201.00</cbc:TaxExclusiveAmount>
<cbc:TaxInclusiveAmount currencyID=“SAR”>231.15</cbc:TaxInclusiveAmount>
<cbc:AllowanceTotalAmount currencyID=“SAR”>0.00</cbc:AllowanceTotalAmount>
<cbc:PrepaidAmount currencyID=“SAR”>0.00</cbc:PrepaidAmount>
<cbc:PayableAmount currencyID=“SAR”>231.15</cbc:PayableAmount>
</cac:LegalMonetaryTotal>
cac:InvoiceLine
cbc:ID1</cbc:ID>
<cbc:InvoicedQuantity unitCode=“PCE”>33.000000</cbc:InvoicedQuantity>
<cbc:LineExtensionAmount currencyID=“SAR”>99.00</cbc:LineExtensionAmount>
cac:TaxTotal
<cbc:TaxAmount currencyID=“SAR”>14.85</cbc:TaxAmount>
<cbc:RoundingAmount currencyID=“SAR”>113.85</cbc:RoundingAmount>
</cac:TaxTotal>
cac:Item
cbc:Nameكتاب</cbc:Name>
cac:ClassifiedTaxCategory
cbc:IDS</cbc:ID>
cbc:Percent15.00</cbc:Percent>
cac:TaxScheme
cbc:IDVAT</cbc:ID>
</cac:TaxScheme>
</cac:ClassifiedTaxCategory>
</cac:Item>
cac:Price
<cbc:PriceAmount currencyID=“SAR”>3.00</cbc:PriceAmount>
cac:AllowanceCharge
cbc:ChargeIndicatortrue</cbc:ChargeIndicator>
cbc:AllowanceChargeReasondiscount</cbc:AllowanceChargeReason>
<cbc:Amount currencyID=“SAR”>0.00</cbc:Amount>
</cac:AllowanceCharge>
</cac:Price>
</cac:InvoiceLine>
cac:InvoiceLine
cbc:ID2</cbc:ID>
<cbc:InvoicedQuantity unitCode=“PCE”>3.000000</cbc:InvoicedQuantity>
<cbc:LineExtensionAmount currencyID=“SAR”>102.00</cbc:LineExtensionAmount>
cac:TaxTotal
<cbc:TaxAmount currencyID=“SAR”>15.30</cbc:TaxAmount>
<cbc:RoundingAmount currencyID=“SAR”>117.30</cbc:RoundingAmount>
</cac:TaxTotal>
cac:Item
cbc:Nameقلم</cbc:Name>
cac:ClassifiedTaxCategory
cbc:IDS</cbc:ID>
cbc:Percent15.00</cbc:Percent>
cac:TaxScheme
cbc:IDVAT</cbc:ID>
</cac:TaxScheme>
</cac:ClassifiedTaxCategory>
</cac:Item>
cac:Price
<cbc:PriceAmount currencyID=“SAR”>34.00</cbc:PriceAmount>
cac:AllowanceCharge
cbc:ChargeIndicatortrue</cbc:ChargeIndicator>
cbc:AllowanceChargeReasondiscount</cbc:AllowanceChargeReason>
<cbc:Amount currencyID=“SAR”>0.00</cbc:Amount>
</cac:AllowanceCharge>
</cac:Price>
</cac:InvoiceLine>
We kindly request your assistance in identifying what might be causing this QRCODE_INVALID response. Please let us know if anything is missing or if additional formatting is required.