Belgium's Federal Public Service (SPF) Finance has issued a notice to clarify certain matters in relation to the new e-invoicing requirements that apply from 1 January 2026. As previously reported, all VAT-registered companies established in Belgium are required to send and receive structured e-invoices to each other (B2B) via the Peppol network from 1 January 2026. The notice confirms that companies not established in Belgium (those that have neither the seat of their economic activity nor …