Section 321(1) in Tamil Nadu District Municipalities Act, 1920
(1)Every licence and permission granted under this Act or any rule or by-law made under this Act shall specify the period, if any, for which, and the restrictions, limitations and conditions, subject to which the same is granted, and shall be signed by the [executive authority] [These words were substituted for the word 'chairman' by section 17(1) of the Tamil Nadu District Municipalities (Amendment) Act, 1933 (Tamil Nadu Act XV of 1933)].