The 2009 wording for the IUF/USA skill levels is open to interpretation concerning whether all mounts are required for each level or if just one is sufficient. This is causing inconsistent testing in our group so I’m hoping better minds than mine can clear this up. Here is what the rules say:
For Level 5 that means a total of 5 different mounts chosen from Levels 1 through 5.
For instance, Level 5 mounts are: