Section 30(3) in West Bengal Clinical Establishment (Registration, Regulation and Transparency), Rules, 2017
(3)Each License shall bear a 12 (twelve) digit registration/License Number consisting of three parts: (a) a 4 (Four) digit district code as may be authorized by the state registrar; (b) a 4 (Four) digit serial number of the entry in the district register and (c) Year of registration.
