Country deep dive
Argentina pioneered regional e-invoicing, moving from voluntary (2003) to mandatory for VAT-registered taxpayers (RG 3749/2015), then effectively universal from 1 April 2019 (RG 4290/2018). Rather than settling, the system keeps evolving: the 2024 AFIP-to-ARCA rebrand, 2025's itemized VAT/FX disclosure and pre-filled returns, and a further sector expansion effective 1 July 2026 (RG 5824/2026).
AFIP's General Resolution 3749/2015 made electronic invoicing mandatory for taxpayers registered for VAT and for VAT-exempt subjects, building on the voluntary system Argentina had run since 2003. Each invoice is submitted to AFIP (now ARCA) for real-time validation and assigned a CAE (Codigo de Autorizacion Electronico) before it can be delivered to the buyer -- a clearance model, not post-audit reporting.
RG 4290/2018 completed the rollout begun with VAT-exempt subjects on 1 January 2019: from 1 April 2019, every monotributista (Argentina's simplified small-taxpayer regime) had to replace paper invoicing with electronic invoices or a fiscal controller -- including sales to final consumers, with mobile-app invoicing required for transactions completed at the customer's premises. This is the point at which e-invoicing became effectively universal across Argentina's taxpayer base, with only the smallest social-monotax categories retaining a manual option.
RG 5616/2024 (Boletin Oficial 18 December 2024) updated ARCA's technical specifications for electronic invoicing: from 15 April 2025, issuers must use the revised web services, the 'Comprobantes en Linea' portal, and the mobile app in their updated form, and invoices must itemize VAT by rate and disclose the foreign-currency exchange rate used. A format and disclosure upgrade to the existing CAE clearance model, not a new invoicing-scope requirement -- the same treatment this tracker gives Spain's VeriFactu.
RG 5824/2026 (Boletin Oficial 13 February 2026) broadened the categories of taxpayers required to issue electronic invoices -- bringing in, among others, financial entities, insurers, credit-card administrators, prepaid health plans, and educational institutions -- and introduced a 'liquidacion electronica mensual' letting high-volume issuers in those sectors consolidate a client's transactions into one monthly electronic invoice rather than issuing one per transaction. A new ARS 10 million threshold also requires final-consumer identification on larger sales, closing the anonymous-invoice gap for high-value transactions. Effective for operations from 1 July 2026.
Argentina uses its own domestic XML schema rather than UBL or EN 16931 -- every invoice is authorized in real time and stamped with a CAE (Código de Autorización Electrónico) before it can reach the buyer, with a QR code mandatory on every printed or PDF copy since 2021.
Argentina built its own format well before EN 16931 existed, so a domestic invoice looks nothing like a European UBL document -- exporters dealing with EU buyers need to handle both worlds separately.
The 2024 AFIP-to-ARCA rebrand was organizational, not technical -- the CUIT, the CAE process, and the underlying web services all carried over unchanged.
The 2025 itemization requirement is a real, current compliance gap for older integrations still submitting a single VAT total rather than a per-rate breakdown.
Coverage is about as broad as this tracker has seen anywhere: B2B, B2G, B2C, and exports are all in scope, for every VAT-registered taxpayer, every monotributista, and (from 1 July 2026) additional sectors including financial entities, insurers, credit-card administrators, prepaid health plans, and educational institutions. Foreign entities registered in Argentina face the same obligations as domestic taxpayers.
This is a genuine clearance model, not a post-audit reporting one -- the invoice legally does not exist as a tax document until ARCA has already approved it.
By 2019 there was, in practice, no remaining category of Argentine taxpayer issuing paper invoices -- the 2026 sector expansion adds specific entity types the earlier waves hadn't explicitly named, rather than opening up a genuinely new gap.
Few mandates this mature keep receiving genuine, dated updates at this pace -- treat Argentina as a system to monitor going forward, not a box to check once.
Because the mandate is already universal, most of the real work for a business already operating in Argentina is staying current with ARCA's frequent technical updates -- rather than working out whether the mandate applies at all, which it almost certainly does.
An invoice without a valid CAE has no fiscal validity -- this is the single most important check for any business already invoicing in Argentina.
This has been mandatory since 1 April 2019 with no remaining paper option for standard categories.
Invoices must itemize VAT by rate and disclose the FX rate used on foreign-currency transactions -- a real gap for integrations still on the older schema.
RG 5824/2026 brought these sectors explicitly into scope alongside a new ARS 10 million consumer-identification threshold.
The 'liquidación electrónica mensual' introduced by RG 5824/2026 lets qualifying issuers consolidate a client's transactions into one monthly invoice rather than one per operation.
Argentina backs its e-invoicing mandate with a real enforcement mechanism: temporary closure of the business premises for failing to issue a compliant invoice, and rejection of the buyer's VAT credit if the invoice they hold lacks a valid CAE.
Other countries in the same region, ordered by their next dated milestone. Each links to a full briefing.