OBS_VALUE: The date that the whole or part of a legislative document comes in to force is specified in the legislative document. The principle is :  - minimum 45 days if it is promulgated by a nation/state authority - minimum 10 days if it is promulgated by a provincial authority- minimum 07 days if it is promulgated by a district or commune authority- immediately if it is promulgated under simplified procedures (in case of emergency)