See links below
You can find sample letters to modify child support on legal websites, family law websites, or by consulting with a family law attorney. These letters should include information such as the reasons for the modification, any relevant changes in circumstances, and a request for a modification of the child support order.
Motion to modify current and future child support. Make request to child support enforcement.
Revenue does not modify child support obligations. You need to file a motion/petition in the venue that issued the order for support.
You can not modify your child support. Only the court can modify your child support. It is possible the court will do that. It is unusual for your wife to get half your salary. In setting child support, this is a deductible item in all states, that should have been taken into consideration. If not, you can request a modification. see links below
No, the father must support his previous child. You knew this when you had a new child with him.
The persons in custody of the child must file for legal guardianship and request the court modify the child support order. The person needs legal standing to receive child support.
All you need to do is, petition the court to modify your child support order.
You need to file a motion with the court to emancipate the minor and modify child support. see link for applicable laws.
no
Make an official request to Child Support Enforcement, or file a motion to modify. see links
Child support in Tennessee can be reviewed and modified up to the age of majority.
Modify what? Custody? Child support? Both? Procedure to file? Procedure to answer? State or country where such an action is occurring or will occur?