A structured e-invoicing preparation checklist should cover current software capabilities, customer and supplier data, VAT settings, invoice approval procedures, integration requirements, employee training, and end-to-end testing. Addressing these areas systematically can help businesses identify implementation gaps before they affect everyday financial operations. Matiyas Solutions helps businesses plan ERP implementation, customization, integration, and workflow improvements around their operational needs. Companies looking for ERP software in Oman can use the e-invoicing timeline guide to establish preparation priorities and discuss the technical requirements with their ERP provider.