I went back and looked at the initial licenses available to Balthier, Fran, Basch, and Ashe, and realized that the parameters I'd outlined for their characters didn't account for some of those licenses, so I've altered my character class descriptions for them slightly, in the following ways:
* In addition to what is outlined above, Balthier can use the First Aid technick

* In addition to what is outlined above, Fran can cast some Black Magic and equip some Heavy Armor and Shields

* In addition to what is outlined above, Basch can equip some Axes and Hammers

* In addition to what is outlined above, Ashe can equip some Shields and Light Armor

Also, just so everything is clear, what I've done is make it so that each character adheres to a specific class throughout the entirety of the game from beginning to end, in contrast to the other games set in Ivalice, where you give your characters a variety of different jobs. My parameters are also much looser than those of the Enforced Class Challenge.