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El Salvador is gradually implementing e-invoicing as part of its tax modernization efforts. The country is moving toward full digital invoicing adoption, aligning with regional trends in Latin America. While B2G e-invoicing is mandatory, B2B adoption is being phased in over the coming years.
Regulatory authority
The Ministry of Finance of El Salvador manages e-invoicing compliance.
E-invoicing requirements
Since 2023, all public sector suppliers must issue e-invoices. B2B e-invoicing is expected to become mandatory by 2025, allowing businesses to integrate digital invoicing into their financial processes for greater efficiency and tax compliance.
Accepted invoice formats
Invoices must be issued in FEL XML format.
Transmission channels
Invoices must be submitted via the Fiscal Electronic System (FEL).
Digital signatures
Digital signatures are required for invoice validation, ensuring security and compliance.
Archiving requirements
Invoices must be archived for seven years in accordance with El Salvador’s financial regulations.
How B2B e-invoicing works in El Salvador
Businesses generate invoices in FEL XML format and submit them to the Fiscal Electronic System for real-time validation.
How B2G e-invoicing works in El Salvador
Invoices must be issued through the FEL system, validated by public authorities, and archived for seven years.
Ready to get started?
Schedule a consultation to explore the benefits of e-invoicing.
