MRP Group Planning horizon not considered even with NETPL

Hi Experts,

Business wants to program a circumstantial Seasonal merchandise lone for 3 Months with MRP considering lone 3 Months requirement.

I maintained "Planning Horizon - 90 days" successful MRP group, assigned successful MRP-1 and tried moving MRP with Type - PD successful some MD02, MD03 with NETPL - Processing key, Lot size -EX and Strategy - 10. I don't person Planning Horizon maintained successful Plant Level arsenic well. But inactive it considers the request adjacent beyond 90 days and make Planning proposals.

Am one missing thing ?? Or immoderate OSS to beryllium implemented ?? Client usage ECC system.

Kindly counsel if immoderate team.

Regards,

Jeffrey