Ecuador · Servicio de Rentas Internas (SRI)

SRI electronic invoicing (Ecuador) for SAP Business One.

In shortIn Ecuador, electronic vouchers (comprobantes electrónicos) are XML documents signed with an electronic signature and sent to the Servicio de Rentas Internas (SRI) for receipt and authorisation. Kodenova integrates SAP Business One with SRI so invoices, credit notes, withholdings and remission guides are signed, authorised and emailed automatically.
Key requirements

SRI Comprobantes Electrónicos at a glance.

FormatXML per SRI technical specification, with a 49-digit access key (clave de acceso)
SignatureXAdES-BES electronic signature with a certificate from an accredited entity
DocumentsFacturas, notas de crédito/débito, comprobantes de retención, guías de remisión, liquidaciones de compra
ModelOffline scheme: the SRI web services receive and then authorise each voucher
Printed copyRIDE (printed representation) delivered to the buyer with the XML

Last reviewed 2026-10-15. Rules change; always confirm with the authority. Source: SRI – Comprobantes electrónicos

How we do it

From SAP Business One to SRI and back.

01

Map SAP B1 documents (A/R invoices, credit memos, withholding, deliveries) to SRI XML.

02

Generate the access key, sign with your certificate and send to SRI web services.

03

Store authorisation number and date in SAP B1 and generate the RIDE PDF.

04

Email XML + RIDE to the customer automatically and log every step.

FAQ

SRI Comprobantes Electrónicos: common questions

Is electronic invoicing mandatory in Ecuador?

Yes. SRI has made electronic vouchers mandatory for taxpayers in phases, and today most taxpayers who issue invoices must use them. Check your status with SRI.

Can you handle withholding vouchers (retenciones) from SAP B1?

Yes. Withholdings are generated from SAP B1 purchase documents and sent to SRI like other vouchers.

Need SRI in SAP Business One?

Share your SAP B1 version, database (SQL or HANA) and document types. We reply with a plan and a fixed price.