Go to family court. Get a lawyer.
Generally, there are no steps. You can just stop paying beginning the month after the child's 18th birthday.
Child support is intended to help pay for the basic living expenses, such as rent, utilities, clothing, insurance and the like, all of which remain the same even when the child is visiting the non-custodial parent.
Just ask child support enforcement for it to be done.
Speak with the mother and determine how she is going to handle the pregnancy. If she has the child, you should take whatever steps are necessary to legitimate the child and seek custody/visitation as you wish. The court will also set the child support schedule.
Have you finished all the required steps, like getting the necessary permission form, to take your child out of state?
If paternity has been legally established, then yes she can file for child support for your child by contacting her local government. If paternity has not been established legally, then a paternity test will be necessary before any further steps can be taken.
See Link BelowChild Support Age-At what age does child support stop and what steps need to be taken to bring this about?
See Link BelowChild Support Age-At what age does child support stop and what steps need to be taken to bring this about?
See Link BelowChild Support Age-At what age does child support stop and what steps need to be taken to bring this about?
See Link BelowChild Support Age-At what age does child support stop and what steps need to be taken to bring this about?
This assumes you mean, "How does a father put himself on child support?": 1) establish paternity; 2) get legal custody of child; 3) petition courts for child support (all of these steps will require notice to the mother of the child).
Yes, you do still have rights in Texas even if you owe $20,000 in back child support. However, if you do not take the necessary steps to address this issue, you might find yourself in prison. If incarcerated, your rights will be drastically reduced.