6) katastritunnus – numbriline kood, mis on ette nähtud katastriüksuste identifitseerimiseks ja andmete sidumiseks teiste registritega;, defineeritakse selle seaduse ulatuses, 6) “cadastral register number” means a numeric code which is used to identify cadastral units and to relate data to other registers;, defined within the scope of this Act