Under FL child custody laws if child has lived with father for last 7 months would he be considered the primary custodial parent

unmarried custody issue: In the state of florida, if a teenage boy has lived with his father for 7 months, who would be considered the custodial parent if it has not gone through the courts, however, there is a notarized court document from child support stating the child resides with the father? And if the mother isn't listed as an authorized pick up person on the schools register, and she goes on school grounds and take the child before school starts, does the father have any recourse? - Is this your question? Add additional information