The Identifier 1(PALNUM) and Identifier 2(CTRNUM) fields are free fields used to manage the additional stock information in the stock line. To control the access to these fields in transaction level kindly follow the below step.
New Stuff:How to receive a quantity larger than the ordered quantity.
Consider we have to control the access in purchase receipts level.
Kindly navigate to Setup>Purchasing>Entry transactions>Receipts and change the value of Identifier fields as desired and do the entry transaction validation. Refer to the below screen shot.
Hope this blog helps!
Also Read :
1. How to change Entry Transaction without exiting the screen
2. Fetch the Entry Transaction value via Customized Code