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Dependent Requirement Scheduling Query

Hi PP Gurus,

I have a query on the dependent requirements scheduling.

The example is this:

Have a monthly forecast for Finished Good(FG) material from May to September of 10500 per month.

After the MRP run, it will proposed the Planned order lot for lot on the quantity for the forecast.

Now the question, if June FG forecast requirement, with backward scheduling, the production will start in May with 24 working days as in house production time. So, under purchase component: Z-445931,which is common for multiple Finished Goods, it will received the dependent requirements.

Now, when planned order proposed for FG may start in the end of the previous month which in end April. Then requirement will be total as April requirement instead of the rightfully May requirement for production to fullfill the June demand. This will sometime create in consistency in the dependent requirement.

How do I ensure that the requirement for June, the dependent requirement should be showing as the dependent requirement is May and not under April requirement. Is this controlled by the in house production time. What is the real meaning of the in house production time. I notice some user used it to endure the planning for the demand is within that month.

Appreciate you all can advise as I believe this happen in most organisation when come to planning from SAP.

Appreciate the assistance.

Thanks & Regards

Bee Lee

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