This is a nine digit number that allocate to each person as their tax number and it is an essential ID for all the people so you want to open a bank account, get insurance, buy a property, apply for residency and etc.
This is an easy process. You just go to the nearest local tax office and give them your original passport and a copy of it. They ask you your address in turkey and your parents’ name. This process is free and takes only few minutes. After receiving tax number, now in all Turkish financial offices, they control your tax number now you can open a bank account and do all official transactions. If you lost, you can ask it again form tax office again. There isn’t any time limit for it. You will pay for tax for : your income, annual property tax and conveyance tax. In this process we will help you to apply for your tax number and it is our part of free services.