Sage released Sage 100 version 12.20 on 5 June 2026, available on-premise from 1 June and scheduled for hosted SPC environments from 15 June. The vendor describes this update as “decisive for e-invoicing success in 2026” (blog.tout-pour-la-gestion.com).
The timeline is tight: by 1 September 2026, all VAT-registered businesses in France must be able to receive electronic invoices. Large enterprises and mid-market companies (ETI) will also be required to issue e-invoices by that date. SMEs have until 1 September 2027 for mandatory issuance.
What v12.20 Delivers
The update covers the Accounting and Commercial Management modules with four major improvements (blog.tout-pour-la-gestion.com):
- Full e-reporting coverage: native handling of data flows 6, 10.1, 10.2, 10.3 and 10.4. Flow 6 covers the B2B France payment lifecycle. Flows 10.1 and 10.2 cover international B2B transactions and payments. Flows 10.3 and 10.4 aggregate B2C sales and payments (FactPulse).
- UBL legal archiving: invoices are now stored in the format required by French regulation.
- Electronic credit notes and deposits: credit memos and deposit invoices are now fully integrated into the e-invoicing flow.
- New “contractual clause” use case: support for an additional business scenario within the regulatory scope.
Critical prerequisite: Sage 100 Supervisor V3.00 becomes mandatory with this version. IT teams must verify their technical environment before deploying.
What Finance and IT Leaders Must Do Now
With fewer than 90 days before the reception obligation kicks in, this update is not a routine patch. It is the last software milestone before the regulatory deadline.
First action: plan the deployment immediately. On-premise customers can install v12.20 now. Hosted/SPC customers must wait until 15 June. In both cases, the Supervisor V3.00 prerequisite may require an infrastructure upgrade ahead of the application update. Incorporating this double upgrade into June planning is non-negotiable.
Second action: configure your certified e-invoicing platform (PDP). v12.20 handles the data flows, but those flows must transit through an approved Partenaire de Dématérialisation (PDP) — France’s certified intermediary platform. Sage Network is the vendor’s own offering. The connection between the ERP and the PDP must be tested well before go-live, not in September.
Third action: test the e-reporting flows. The five e-reporting flows added by v12.20 cover distinct scopes (France B2B, international B2B, B2C). Each business must identify which flows apply to its operations and validate the data mappings against real transactions.
Key Dates to Track
Three deadlines structure the coming weeks for businesses running Sage 100.
- 15 June 2026: v12.20 available in hosted SPC environments. Cloud customers cannot act before this date.
- 1 September 2026: mandatory e-invoice reception for all businesses, and mandatory issuance for large enterprises and ETI (economie.gouv.fr).
- 1 September 2027: mandatory issuance for SMEs. However, waiting until that date to test e-reporting would be a mistake — the data flows are identical; only the issuance timeline differs.
The primary risk is not a functionality gap in Sage 100 — v12.20 covers the regulatory scope. The risk is a delayed deployment that compresses testing and acceptance phases into an already tight calendar.
For further reading, see our complete French e-invoicing roadmap 2026-2027 and our guide to mandatory e-invoicing in Europe.
