a.    Invoices in accordance with the legal requirements. For all cost items to be settled, the settlement form must be completed in full and corresponding invoice and payment receipts must be enclosed: Location invoice, Invoices for other event-related services (accommodation, A/V, catering, etc.), Invoices for services involved with the hybrid implementation of the event (Module 3), or implementation of a digital infrastructure, e.g., technology costs, agency costs for concept implementation. b.    Statistics of participants (number & national or international origin)