A resident register is a government database which contains information on the current residence of persons. In countries where registration of residence is compulsory, the current place of residence must be reported to the registration office or the police within a few days after establishing a new residence. In some countries, residence information may be obtained indirectly from voter registers or registers of driver licenses. Besides a formal resident registers or population registers, residence information needs to be disclosed in many situations, such as voter registration, passport application, and updated in relation to drivers licenses, motor vehicle registration, and many other purposes. The permanent place of residence is a common criterion for taxation including the assessment