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If the son is recogniced by the father and he is paying a pension for him to the mother he has some rights and could deny th mother to take him out
If the father have not recogniced the minor has any right to decide, the mother could do whatever she wants
Even if the father would have recogniced the minor but there its not a judicial sentence which says right and obligations of the parentes, the mother could make whatever she wants
So, the only case when the mother needs the autorithation of the father is when the minor is recogniced and there is a judicial sentence wich tells the rights os the parents. And even in this case, if the father denies the exit of the minor the mother could ask for if at court with the help of an atttorney
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