I applied visit visa for my Pakistani husband and...

We would like to inform that If the General Directorate of Residence places a person on the ban lists, he is not allowed to enter the UAE until the end of the duration of the ban. If you want to check the presence of a name on the ban lists, you have to review the General Directorate of Residence or the airport police department.
  If the Pakistani person is not removed from the block lists, you can submit a mercy request to remove his name from the ban lists. The request for mercy is submitted to the party requesting the ban.

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Thank you very much