(1) The Ministry may provide in regulations that the provisions of the Act shall wholly or partly apply to undertakings with no employees.(2) The Ministry may provide in regulations that agricultural undertakings that do not employ assistance other than relief assistance shall be exempt from the Act.(3) The Ministry may provide in regulations that the provisions of the Act shall wholly or partly apply to anyone legally responsible for building assignments or his representative.(4) Special provisions may be laid down in regulations issued pursuant to this section.