Solution : https://service.sap.com/sap/support/notes/454714 (SAP Service marketplace login required)
Key words :
additional key words ea62, budget billing plan, solution program enhancement, modification groups group 8, function group ea61, fields deferral date, deferral date, dunned items, dunning block, dunning notice
Related Notes :
431181 | ABP: Maintain dunning procedures in budget billing plan |