Legal Question in Family Law in Maryland

It depends on the nature of any custodial agreement you have with the mother. Most such agreements, if well-written, have a provision that sets out how disputes of this nature are resolved. For example, it might provide for mediation, arbitration, or might bestow the decision in one parent or the other. If you have no agreement, or if yours doesn't preclude litigation, you can file a court petition seeking a determination of this issue, which will be decided in the best interests of your daughter.