Section 40(3) in The Tamil Nadu Cinemas (Regulation) Rules, 1957
(3)[ The Chief Electrical Inspector's Certificate in Form 'D' shall be valid for a period of three years, provided that for reasons to be recorded in writing, the Officer granting the certificate may reduce the period of validity of the certificate to any shorter period.] [G.O.MS No. 2868, Home, dated the 24th December 1974.]
