No problem, do not ask permission, with your passport and visa can pass. Unless the father has filed a lawsuit or something, if that is the case they would not let her leave the country without this permission
I have never been asked. I think that with the passport is enough. Better dial the phone number of the airline you're traveling on! So you're safe.
You can use the Notariado permission or there are also INM permits (But you have to go all to the offices with passports and a format that is on the Internet
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