B2G and public procurement

The pillar guide

B2G and public procurement explained: selling to a public buyer - Receiver obligations under Directive 2014/55/EU, standard invoices, profiles and the portals that receive them.

Working guides in this topic

• B2G contract references and order numbers - Why a public buyer invoice without the right contract or order reference is rejected, even when the data is valid.
• B2G framework agreements and invoicing - Invoicing under a framework agreement: call-off references, lots and the limits that bind each invoice.
• B2G go-live checklist for a first public buyer invoice - Receiver, profile, syntax, reference, test invoice and status check, in order, before a live invoice.
• B2G invoicing for small suppliers - A small seller route to a public buyer: portal, provider or network, chosen by volume and by buyer rule.
• B2G payment terms and late payment - Payment terms for public buyers, what a seller can check, and what this guide does not advise on.
• B2G portals and submission rules - Portal submission, validation and status, and how portal rules differ from a network route.
• B2G profiles and CIUS for public buyers - National CIUS profiles for public procurement, and how a seller reads one without guessing.
• B2G validation and rejection handling - Portal and profile validation, actionable rejection messages, and resubmission without duplicating the invoice.
• Directive 2014/55/EU in practice for a seller - What the directive changes for a seller, what it leaves to national implementation, and where to check the national rule.
• Public buyer receiver obligations, explained - Which public buyers must be able to receive a standard invoice, and what that means for a seller.

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