Traning KIT - Add, modify, or delete lines in an invoice already created

This guide provides step-by-step instructions on how to add, modify, or delete lines in an invoice using the Reservit PMS system. It covers everything from adding new account lines to deleting or modifying existing ones, as well as adding payments to additional lines. This guide is essential for anyone using Reservit PMS and needing to make changes to their invoices.