摘要:The concept of prontolion porlicipolion agreenrcnl should appty the syslem in the 3d book of Civit Law (KUHP Perdata). The parties involved have reached and agreemenl with element of agreement. Therelore, the legal rule in lhe promotion participolion agreenrcnt has almost entircly stated in this agreemenr. As a matter of Jact,, there slill o possibility for the parties that chose nol follow the rule, to make the agreement of their ou'n.