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I only have access right now to 4.05CD - but it seems to me the field you are questioning is what is referred to as the 'Requirements Code' in this release. If not, other replies have already dealt with the use of Demand Code 1 and Demand Code 2.

This is from the help text:
Requirements Code (1,A)
Enter a "D," "I" or "S" to designate the type of demand for this item.
This demand type determines planned order requirements for this item.
The program defaults to "S."
D Dependent demand only – Indirectly from requirements generated by parent tems (For example, FMA's and all other requirements from higher level formulations or Bill of Materials)
I Independent demand only – Directly from customer orders and forecasts
S Sum – The sum of both independent and dependent demand

This determines what type of demand is used in Planning generations. The default of 'S' is the trypical setting in my experience. The basis being that if there is only Dependent demand, a setting of 'S' won't hurt since there will not be any Independent demand anyway. And the reverse holds true as well. Plus a setting of 'S' ensures that if by chance there is demand of the opposite kind, it won't be missed. I think blank works the same as 'S'. There is no 'G'. That is an Order Policy Code only I believe.

Hope this helps or provides further clarification.
Regards, Bud

________________________________________

subject: Re: [BPCS-L] Item Demand Code

Thanks to Al.

Someone has sent me a partial solution.

I if the item is a finished good (demand comes from customer orders or forecast)
D if it's a purchased item or a manufactured semi-finished
S if the item at the same time can be consumed internally and can be sold to customers
G ?

Still no info on what affect they have.

Regards,

George

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