20. (1) The Government may, by notification in the official Gazette, make rules to carry into effect the provisions, of this Act.

(2) Without prejudice to the generality of the foregoing such rules may prescribe-

(a) the principles to be followed in ascertaining the total wages bill of an employer, including provision for the exclusion therefrom of certain categories of wages or of certain elements included in the definition of wages;

(b) the form of the policies of insurance referred to in sub-section (2) of section 7;

(c) the period referred to in clause (g) of sub section (5) of section 7;

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(e) the date and the period referred to in sub-section (1) of section 9;

(f) the form of and the manner of preparing and publishing the account referred to in sub section (4) of section 11;

(g) the periods referred to in sub section (3) of section 14.