Use
Using the direct procurement procedure, you can order BOM components for a planned order directly instead of via the warehouse.

Direct procurement is also possible in connection with make-to-order production and engineer-to-order production.
There are two alternative processes:
This process is like the direct production process.
We recommend the process using the special procurement key.
Prerequisites
Process Using the Special Procurement Key for Direct Procurement

If you have activated direct procurement in the material master, you can switch off direct procurement for a particular BOM, if you deactivate direct procurement in the MRP data area of the corresponding BOM item under Explosion type. This entry overwrites the entry in the material master.
Process Using the Item Category for Non-Stock Item.
This is the only possible process for materials without a material master.
Features
The system automatically triggers direct procurement at the selected time.

You set the copying of the long text for the BOM item in Customizing for Purchasing in the IMG activity Define text types and copying rules.
When firmed purchase requisitions for direct procurement are changed, the system automatically sends the buyer a mail with the data for the change (see

You can only make restricted changes to purchase requisitions for direct procurement. Changes to quantities and dates are not possible.