Search for desired Commission Schedule in library and click this icon

Search for Agent name looking to assign commission plan

Check this box if looking to make the default (primary) plan

Alert!  On next step you can select if this plan should auto reset back production and split based on End date.

You can also select if you want to apply this plan to any open transactions the agent currently has

Below Steps are just to confirm plan has been successfully Added

Confirm you see new plan assigned to Agent