I want to know how long my wife has to wait before...

With reference to the Qatari Residence Law No. (3) of 1963 regulating the entry and residence of foreigners in Qatar, in the event that the wife obtained a visitor visa and left without any violations related to residence, he can return with a new visa after six months. Three years, with the procedures and requirements for a new visa, this is in general, and if you have any other purpose, you can clarify