In Altis you are able to archive your unused or completed transactions. Below is a step by step of how to archive using Altis.
Step 1: Find and select the archive button on the toolbar at the top right of the transaction or in the drop down on the left-hand side of the screen
Step 2: Head to the transactions tab on the left, where you will see an ‘archived’ section
Step 3: The transaction will be located in this folder from now on, in a similar view to how you see the rest of your transactions, only it will have an archive logo next to it.