Complex sentence: De facto citizens have no hindrance to reside at another address than registered within the same city; however, many inhabitants of rented dwellings refuse official registration at new addresses because of landlords' tax evasion, which also allows for cheaper rents.
Split into simpler sentences: De facto citizens have no hindrance to reside at another address than registered within the same city. However, many inhabitants of rented dwellings refuse official registration at new addresses because of landlords' tax evasion, which also allows for cheaper rents.