actiavtion of user exit in quality box

Hi

i have a query related to activation of user exit in QUALITY BOX.

We have craeted a user exit for batch number.(t.code: cor1) user exit is EXIT_SAPLVO1Z_002.

It is working fine in development, but it is not activating in quality box.

Please tell me how to activate it in quality box.

thanks & regards

satyajit kumar