Section 6. No weir or other fixed obstruction, and no Weirsnot to fixed engine tending to hinder the movement

6. No weir or other fixed obstruction, and no Weirsnot to fixed engine tending to hinder the movements of fish, be erected without sanc-. or to interfere with the flow of the water, or to im- tion of of pede navigatioli, shall be erected, placed, maintained, Deputy Comor used in any fishery, or in waters connected with ml"lo"erany fishery, by a grantee or lessee, or by any other person whomsoever, without a special permission in that behalf under the hand of the Deputy Commissioner of the District in which such fishery is situate. without sanc-. tion of of 17.-Penal fiies.