Most of them do and the timing is pretty strange too. For example, TCOM's conditions are separate among the semesters and the time they give you to decide is a lot but at the same time, you can still independently match with them through TMDSAS, at least, that's what I think. It's pretty complicated and some of the schools don't want to hold seats unnecessarily until they see some post-bac students that they don't want to let go.