How to migrate a SnapMirror XDP source volume to a different cluster

We can find a good procedure for migrating a SnapMirror XDP destination Volume to a different cluster here:

https://kb.netapp.com/Advice_and_Troubleshooting/Data_Protection_and_Security/SnapMirror/How_to_migrate_a_SnapMirror_XDP_destination_volume_to_a_different_cluster

Where can we find a corresponding procedure for migrating a SnapMirror XDP source Volume to a different cluster? All promising KB articles found in a search have dead links.