Section-4(3) read with

Environment conservation Act, 1995 Circular-we find that the directives were issued under the impugned circular were to the local authority to be followed by them at the time of issuing new licenses and renewing old licenses for Brick Kilning and thus, we are of the opinion that they have been issued under certain Legislations with specific reference to those Legislations and the same derive its force and validity from the Legislations themselves namely, the Brick Kilning (Control) Act, 1989 and the Conservation of Environment Act, 1995.

Md. Solaiman Khan & Ors Vs. Govt. of Bangladesh 12 BLT (HCD)342.