Efsta EFR API solutions for B2B and B2G
Since the e-invoicing functionality is part of systems with different architectures, it is implemented in the existing EFR middleware, which can be operated locally by machine (e.g. POS system), on-site with multiple clients, centrally (ERP) or as a service in the cloud. The EFR is embedded in the efsta ecosystem to enable secure data processing and transmission, long-term archiving and system administration via the efsta cloud portal.
The use of fiscalisation and e-invoicing modules is not mutually exclusive. For example, an invoice fiscalised according to the law can be used in parallel on a POS system; the common tool for monitoring is the efsta portal.
From 1 January 2025, the basic obligation to use e-invoices will come into force in Germany. To facilitate the transition for companies, flexible transitional arrangements are planned until 2027.
Issuing invoices:
Until the end of 2026, companies may continue to issue paper invoices for B2B sales instead of e-invoices. Electronic invoices that do not comply with the new format are permitted, but only with the recipient's consent.
Until the end of 2027 Companies with a turnover of up to EUR 800,000 in the previous year may continue to use paper invoices or other electronic formats.
Receipt of invoices:
From 1 January 2025 All companies are obliged to be able to receive and process e-invoices. The transitional arrangements only apply to the issuing, not the receipt of invoices.
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In Italy, electronic B2B invoicing via the SDI system (Sistema di Interscambio) has been mandatory since 2019. This procedure ensures that invoices are issued, transmitted and received in a structured data format, enabling automatic and electronic processing in accordance with Italian regulations.
You can find all information about our solution in Italy here.
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