It is a legal document, which allows you to reside in the country. All the international students who have come to Turkey should apply for a residence permit before their visa finishes. You will need to make an application for a residence permit depending on the purpose of stay. The students should apply for the student residence permit. There are 3 types of applications which are as follows: First Application : If you come to Turkey and you do not have a residence permit before, you need to make an application for the first time. Extension Application : The people who already have residence permit but the validity of the residence permit is about to finish should apply to the residence for an extension. Transfer Application : The people who have already one of the other types of residence permit should apply for a transfer application to change the type of residence permit.