This Act may be cited as the Agricultural Workers Amendment Act, 1937, and shall be read together with and deemed part of the Agricultural Workers Act, 1936 (hereinafter referred to as the principal Act).

Where proposals for the extension to any specified class of agricultural workers of the provisions of Part III of the principal Act have been duly submitted, as required by subsection two of section twenty of that Act, to organizations of the workers of that class and to organizations of their employers, and such proposals have been approved by those organizations in all material particulars, the validity of any Order in Council made in accordance with those proposals shall not be questioned on the ground that any of the provisions of the said Part III have in their application to workers of the said class been varied in any particular or in any particulars, or on the ground that any of the provisions of the Order in Council relate to matters that are not provided for in the said Part.

A recital in any such Order in Council that the provisions contained therein have been submitted to and in all material particulars have been approved by any organization of workers or by any organization of employers as aforesaid shall be conclusive evidence of the due submission and approval of such provisions.