The courts would have to approve any such arrangement. This is because, strictly speaking, it is the child's money.
Generally, both parents. Child support is based on actual time spent with the child and actual money earned by each of the parents. You need to go the Child Support Services in your city/county to file for child support. There will be a short hearing - unless both parties agree - and a judge will determine who pays and how much.
Use a mediatorsee link
Yes, this is an overal cost load for your portion of the child's care. It is independent of where the child is unless both parties agree to changes. It also depends on what kind of custody you're talking about, physical of legal? Legal custody has nothing to do with child support If you have 50/50 physical custody, that's way different Child support may not even be exchanged. It all depends on how much money is made by BOTH parents.
You need to check your states laws. In the state of Washington, if you take it in front of a child support officer, they can write up the paperwork. If both parties agree, they will get a judge's signature. Then you have to provide proof, that the payment, in full, has been made.
yes you both will have to agree and then go back to court
Yes.If both parties agree.
"Bipartisan"
In this situation, both parties need attorneys to draft such an order.
The court does it.
work together
If both parties agree to mediation.
The child can not decide this on their own until they are 18. And yes, you owe money and they have to be paid. If both parents agree and let the child move, the former custodial parent have to pay child support to you.