Note the rider "with the discretion of the Ground provider". They don't have to give you any time off at all.......
I think the hassle with ATA providing brush ups etc is that the instructors are time limited because of JAR. They can only spend 20 hours teaching a week. Also, they only have 2 class rooms and so the brush ups can only be done on the weekends. I would give Hilary a call and see what they can do.