docs/8.0/ayanova/docs/inv-purchase-orders.md

@@ -9,3 +9,7 @@ Normally you would never change these numbers, just let the system handle it aut
 BizAdmin role can edit the PO number, however it doesn't change the auto po number generator next value, so, for example if the last generated number was 10 and an existing po is edited to change the number from 7 to 11; when the next new PO is made, it will be automatically assigned number 11 and there will then be two number 11's.
 To avoid this use this feature of editing PO numbers in conjunction with the reset serial number feature under global settings to ensure no duplicates.
 i.e. lets say you have the last po number auto generated is 10, you could reset the auto generated number to 20 to free up a block of 10 numbers to use on existing po's.
+
+(case 3864) When NEW+ Po Item, when select a Part, the PO Cost and Vendor Number is NOT filled in UNTIL select Save for that PO Item. 
+	WITH NOTE: Vendor Number can ONLY fill in automatically IF selected vendor for the PO is either the part's selected Wholesaler OR Alternative Wholesaler.
+	 On "first" save, Vendor Number overwrites ANYTHING manually entered into the PO Cost field AND that has been manually entered into the Vendor Number field, overwriting with the actual part cost existing, and with the actual vendor number that is existing for the selected part. Once have saved at least once, THEN can edit.