Help and User Guide maintained for WAP version 18.638.0.18 up to 18.0.38 This WAP Invoice Help and User Guide will take you through the features and settings for the Sicon WAP Invoice Approval Module.  The module is designed to allow users of the WAP system to approve Invoices.  For Sage 200 it is recommended that … Continue reading WAP Help and User Guide – Invoices Module v18