Overview
E-invoicing is the automated exchange of invoice data between businesses in a structured digital format.
Governments require it to prevent tax fraud by tracking transactions in real-time, while businesses benefit from faster payments, fewer errors, and lower processing costs.
Instead of sending PDFs or paper invoices that need manual entry, e-invoicing systems automatically validate and process invoice data, making the entire billing cycle more efficient.
As more countries make e-invoicing mandatory, it’s becoming the standard way businesses exchange invoices globally.
Supported E-invoicing jurisdictions
Lago issues compliant documents for invoices, credit notes, and payment receipts for the following jurisdictions:
| Country | Format | Type | Technical standard | Supported |
|---|
| 🇫🇷 France | Factur-X | Embedded XML (PDF/A-3 with XML) | CII (UN/CEFACT) | ✅ |
| UBL EN 16931 | XML only | UBL 2.1 | ✅ |
| 🇩🇪 Germany | XRechnung | XML only | CII or UBL 2.1 (EN 16931) | Soon (Q4 2025) |
| ZUGFeRD 2.x | Embedded XML (PDF/A-3 with XML) | CII (UN/CEFACT) | Soon (Q4 2025) |
| 🇪🇸 Spain | Factura-e | XML only | UBL-based | Soon (Q4 2025) |
| VeriFactu | XML only | UBL 2.1 or CII (format-agnostic) | Soon (Q4 2025) |
| 🇮🇹 Italy | FatturaPA | XML only | Proprietary XML | Soon (Q4 2025) |
| SDI format | XML only | Proprietary XML | Soon (Q4 2025) |
| 🇸🇦 Saudi Arabia | ZATCA Standard Invoice | XML only | UBL 2.1 with ZATCA extensions | Soon (Q4 2025) |
| ZATCA Simplified Invoice | Embedded XML (PDF/A-3 with XML) | UBL 2.1 with ZATCA extensions | Soon (Q4 2025) |
Activate E-invoicing in Lago
You can enable e-invoicing at the entity level. Each entity can have its own e-invoicing configuration based on its jurisdiction.
To activate e-invoicing:
- Go to Settings in your Lago dashboard;
- Select the entity you want to update;
- In the General settings section of this entity, click Edit; and
- At the bottom of the form, toggle E-invoicing on.
The E-invoicing toggle appears only if Lago supports e-invoicing for the entity’s country. If the option is not displayed, the country is currently not supported.
Activate E-invoicing for a Lago entity
<?xml version="1.0" encoding="UTF-8"?>
<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100"
xmlns:qdt="urn:un:unece:uncefact:data:standard:QualifiedDataType:100"
xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100">
<!-- Exchange Document Context -->
<rsm:ExchangedDocumentContext>
<ram:GuidelineSpecifiedDocumentContextParameter>
<ram:ID>urn:cen.eu:en16931:2017</ram:ID>
</ram:GuidelineSpecifiedDocumentContextParameter>
</rsm:ExchangedDocumentContext>
<!-- Exchange Document Header -->
<rsm:ExchangedDocument>
<ram:ID>TWI-2684-454-002</ram:ID>
<ram:TypeCode>386</ram:TypeCode>
<ram:IssueDateTime>
<udt:DateTimeString format="102">20250626</udt:DateTimeString>
</ram:IssueDateTime>
<ram:IncludedNote>
<ram:Content>Invoice ID: ffa7f66d-a23d-4559-b048-499be3668c86</ram:Content>
</ram:IncludedNote>
</rsm:ExchangedDocument>
<!-- Supply Chain Trade Transaction -->
<rsm:SupplyChainTradeTransaction>
<!-- Line Item 1: Credit -->
<ram:IncludedSupplyChainTradeLineItem>
<ram:AssociatedDocumentLineDocument>
<ram:LineID>1</ram:LineID>
</ram:AssociatedDocumentLineDocument>
<ram:SpecifiedTradeProduct>
<ram:Name>credit</ram:Name>
<ram:Description>credit</ram:Description>
</ram:SpecifiedTradeProduct>
<ram:SpecifiedLineTradeAgreement>
<ram:NetPriceProductTradePrice>
<ram:ChargeAmount>1.00</ram:ChargeAmount>
</ram:NetPriceProductTradePrice>
</ram:SpecifiedLineTradeAgreement>
<ram:SpecifiedLineTradeDelivery>
<ram:BilledQuantity unitCode="C62">10.0</ram:BilledQuantity>
</ram:SpecifiedLineTradeDelivery>
<ram:SpecifiedLineTradeSettlement>
<ram:ApplicableTradeTax>
<ram:TypeCode>VAT</ram:TypeCode>
<ram:CategoryCode>O</ram:CategoryCode>
</ram:ApplicableTradeTax>
<ram:SpecifiedTradeSettlementLineMonetarySummation>
<ram:LineTotalAmount>10.00</ram:LineTotalAmount>
</ram:SpecifiedTradeSettlementLineMonetarySummation>
</ram:SpecifiedLineTradeSettlement>
</ram:IncludedSupplyChainTradeLineItem>
<!-- Applicable Header Trade Agreement -->
<ram:ApplicableHeaderTradeAgreement>
<ram:SellerTradeParty>
<ram:ID>twilio_eu</ram:ID>
<ram:Name>Twilio EU</ram:Name>
<ram:PostalTradeAddress>
<ram:PostcodeCode>10001</ram:PostcodeCode>
<ram:LineOne>Twilio Europe</ram:LineOne>
<ram:CityName>Paris</ram:CityName>
<ram:CountryID>FR</ram:CountryID>
</ram:PostalTradeAddress>
</ram:SellerTradeParty>
<ram:BuyerTradeParty>
<ram:Name>Decathlon France</ram:Name>
<ram:PostalTradeAddress>
<ram:PostcodeCode>75011</ram:PostcodeCode>
<ram:LineOne>100 rue decathlon</ram:LineOne>
<ram:LineTwo>Batiment D</ram:LineTwo>
<ram:CityName>Paris</ram:CityName>
<ram:CountryID>FR</ram:CountryID>
</ram:PostalTradeAddress>
</ram:BuyerTradeParty>
</ram:ApplicableHeaderTradeAgreement>
<!-- Applicable Header Trade Delivery -->
<ram:ApplicableHeaderTradeDelivery>
<ram:ActualDeliverySupplyChainEvent>
<ram:OccurrenceDateTime>
<udt:DateTimeString format="102">20250527</udt:DateTimeString>
</ram:OccurrenceDateTime>
</ram:ActualDeliverySupplyChainEvent>
</ram:ApplicableHeaderTradeDelivery>
<!-- Applicable Header Trade Settlement -->
<ram:ApplicableHeaderTradeSettlement>
<ram:InvoiceCurrencyCode>USD</ram:InvoiceCurrencyCode>
<!-- Payment Means -->
<ram:SpecifiedTradeSettlementPaymentMeans>
<ram:TypeCode>30</ram:TypeCode>
<ram:Information>Credit transfer</ram:Information>
</ram:SpecifiedTradeSettlementPaymentMeans>
<!-- Tax Information - Not applicable for prepaid credit -->
<ram:ApplicableTradeTax>
<ram:CalculatedAmount>0.00</ram:CalculatedAmount>
<ram:TypeCode>VAT</ram:TypeCode>
<ram:BasisAmount>10.00</ram:BasisAmount>
<ram:CategoryCode>O</ram:CategoryCode>
<ram:ExemptionReasonCode>VATEX-EU-O</ram:ExemptionReasonCode>
</ram:ApplicableTradeTax>
<!-- Payment Terms -->
<ram:SpecifiedTradePaymentTerms>
<ram:Description>Net payment term: 0 days</ram:Description>
<ram:DueDateDateTime>
<udt:DateTimeString format="102">20250626</udt:DateTimeString>
</ram:DueDateDateTime>
</ram:SpecifiedTradePaymentTerms>
<!-- Monetary Summation -->
<ram:SpecifiedTradeSettlementHeaderMonetarySummation>
<ram:LineTotalAmount>10.00</ram:LineTotalAmount>
<ram:ChargeTotalAmount>0.00</ram:ChargeTotalAmount>
<ram:AllowanceTotalAmount>0.00</ram:AllowanceTotalAmount>
<ram:TaxBasisTotalAmount>10.00</ram:TaxBasisTotalAmount>
<ram:TaxTotalAmount currencyID="USD">0.00</ram:TaxTotalAmount>
<ram:GrandTotalAmount>10.00</ram:GrandTotalAmount>
<ram:TotalPrepaidAmount>0.00</ram:TotalPrepaidAmount>
<ram:DuePayableAmount>10.00</ram:DuePayableAmount>
</ram:SpecifiedTradeSettlementHeaderMonetarySummation>
</ram:ApplicableHeaderTradeSettlement>
</rsm:SupplyChainTradeTransaction>
</rsm:CrossIndustryInvoice>
