The court is likely to approve it. You have to apply with the appropriate documentation.
The child's parent's can sign a power of attorney form giving an adult the authority to authorize medical treatment, enroll the child in school, provide temporary care for the child, etc.
An adult child can serve as their parents' attorney-in-fact under a Power of Attorney. That is often the case when the parents and child have a good relationship and the parents trust their child to act in their place and sign documents on their behalf.
no she does not have the right
A power of attorney is only used to represent a living person. After death, they would apply to the court to be appointed executor of the estate.
If your mother grants you the power of attorney. Otherwise it will require a court order.
There seems to be a little confusion over the terminology involved, an adult cannot have POA over a minor, if such a document was initiated, it is not legally binding. However,if the adult who now has the child has been granted legal guardianship, the biological mother will need to file a motion for the reinstatement of her parental rights, in the proper state court. If there is not an order from the court granting the person who has the child or the court has not terminated the mother's parental rights, she can remove the child from said person's care whenever she so chooses.
Anyone can be appointed as a power of attorney. The only requirement is trust and being an adult.
The now adult will be representing him/herself. Why do you want to have power of attorney?
The right to complain to your father.
No
Of course not. In the United States an unwed mother has sole custody of her child until the father has established his paternity legally, in court. Then he must petition for custody and/or visitation rights. He cannot make any changes in the custody of the child via a power of attorney. The unwed mother should exercise her parental rights aggressively and not allow grandparents or the father to take control of her "rights".
People can dispute whatever they want. But, assuming the power of attorney was for you if you become incapacitated or incompetent and named your mother as your power of attorney in that instance, she'll lose if she disputes it. You can name whomever you want as your power of attorney and no judge anywhere would rule otherwise.