15 is the real age to make legal decisions. Not all, just most.
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Presumably, the custodial parent is the parent who has arranged for the child care and is the person who normally delivers the child and picks the child up after work. The child care worker can refuse to allow a parent to take a child if the custodial parent has provided a copy of a court order showing that the custodial parent has legal and physical custody. No unauthorized person should be allowed to take a child from day care.
Generally, not until the child is 18.
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13
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There are no valid reasons not to get child support. That money is supposed to be used to help raise the child. If the custodial parent tries to refuse child support before a judge, the judge will override the custodial parent's wishes and explain that the child support belongs to the child, not to the custodial parent.
See Link Below'Child Refusing To Visit Other Parent?'
Age 18 see link
They can only follow it, they possess no power to enforce.A Different PerspectiveA school can refuse to release a child to the non-custodial parent. It can refuse to discuss the child with that parent and can refuse entry onto school grounds.
Only with the agreement of the custodial parent/obligee (which may include the State), and the courts.
A child can make that decision at the age of 18.