In my divorce decree, I waived maintenance & my ex claims our 3 children on his tax return. It states that the ex will pay for all "uncoverd" medical. That either parent will contact the other within 24hrs to notify of appts made. Now, he's threatening to take me to court & modify the decree. Also, that he was going to contact any of our kids doctors & the them that he doesn't make the aps, he won't pay them. Can he just stop paying the uncovered (ei: copays) m?edical