The Minister may make regulations prescribing any matter or thing, which is referred to in this Act as prescribed or to be prescribed or for the purposes of enabling any provision of this Act to have full effect (sect. 2). It shall be lawful for the Commissioners to prepare a scheme for purposes of preventing flooding of land and other purposes under section 4 of the principal Act (sect. 3). Section 4 specifies matters to which regard is to be had in preparation of a drainage scheme. Costs of ar