Blocking of Incentive Amount for two months by restriction "?" in EVENT "?".

Hello Experts,

Currently our Client is giving Incentive to their customer on prompt payment in next month by Clearing Restriction "8" in EVENT "42".

Presently the Client requirement is to give Incentive of particular month should be given in successive month if the bill for that particular month is paid in stipulated period i.e. up to prompt payment date. Block one more month's to release Incentive.

Please suggest us with your inputs to select the restriction Parameter or any changes to be made in Event.

I am attaching the Document for your reference.

Thanks and Regards...

Zaffar