Definition: Civil register
Loose-leaf file, ledger book, electronic file or any other official file set up for the permanent recording, in accordance with established procedures, of each type of vital event and its associated data occurring to the population of a well defined area (a county, district, municipality, parish etc.).
United Nations, "Handbook on Training in Civil Registration and Vital Statistics Systems", Studies in Methods, Series F, No. 84, New York, 2002