I live in Texas . My husband was ordered to pay child support with the amount of 220 a month. He feel behind a couple of years ago after his surgery but we got a letter from the child support that they would change the amount to 90 a week to catch up. So now that he is up to date with his payments we got a letter saying he is pre paid in payments and his payments are now terminated. His son is 15 years old so do we reopen the case or just continue sending money to child support?