Solution : https://service.sap.com/sap/support/notes/1524988 (SAP Service marketplace login required)
Key words :
group billing plan items correctly, periodic billing plan items, periodic billing plan, higher-level item, tax determination reason, prerequisites program error, implement badi crm_bri_group_badi, billing period, solution implement, sales orders
Related Notes :
1159281 | Tax date, service rendered date for billing plan items |