'Amending' is to make any kind of change to the Collections. These changes may include amount or validity changes, or changes to other terms and conditions. Any change made to the contract is assigned an amendment number and an appropriate message is sent to all parties.
To do any kind of amendment to the collection, BCTAME transaction is used.
Select it from the menu item[Import Products -> Import Collection -> Main -> Amendment].
When you have made your changes, click on the ( ) Save function to save all the the data entered in the transaction to the database.