Adopt Purchase Order Header Text

To default the Header Text into the Purchase Order

Step 1 :- Maintain text in Vendor Master

MK02 - Change Vendor
Choose Extras -> Texts - Input the text in Purchasing memo

Step 2 :- Link Text types to Header text in Purchase Order

OMFV - Define rules for copying (adoption of) text
Choose Header Text
Choose Goto -> Linkage: text types -> To vendor
Filled in the field No. (e.g. 01 - Header Text), next tick whether you want the text to be adopted or for displayed only
Choose Update to save