Yes, if you have court ordered visitation and pay child support etc, she needs your permission as well as the courts to move. The court orders has to be followed.
If there is a court order yes. Then you have to work on this the both of you.
It the non custodial parent alters the court ordered visitation, the other parent does not have to allow the visitation, unless it was altered in court. If it was not altered in court, the parent can file for contempt of court.
A child in the state of Alabama can not opt out of visitation with the non custodial parent until the age of 18. If the child is persistent in the fact that they wish visitation to end, this needs to be ordered by a judge of the court.
If he has court ordered visitation and pay child support she will need his and the courts permission to move.
no, that's custodial interference
(in the US) Yes, that would be justifiable grounds for denying the non-custodial their visitation, even if the visitation was court ordered. HOWEVER - if you know the whereabouts of the wanted non-custodial you cannot keep this information a secret from law enforcement in order to use it as continual justification to deny the visitation. To do so places you in the position of aiding and abetting the fugitive.
If the visitation is court ordered and the non-compliant parent can provide no compelling and acceptable reasons why they are not adhering, yes.
no see links
Sole physical AND sole legal custody? If so, most likely as long as the visitation does not interfere with the non-custodial parent's court ordered visitation. If it does, then the parent planning such a vacation must secure permission from the other parent, or permission from the court beforehand.
18 is the age at which the child gets to decide. Until then if the non-custodial parent has court-ordered visitation, it must be followed. If there's a valid reason the child does not want to visit the non-custodial parent, then the custodial parent can go to order and request that the court modify the visitation order. But be aware that the court will not do that without a very valid reason.