4. In addition to the exclusions provided for by government regulation, this Act does not apply(1) to an institution operated under an Act by a government department or a body which is a mandatary of the Government;
(2) to institutions whose instructional program is the subject of an international agreement within the meaning of the Act respecting the Ministère des Affaires internationales, de l’Immigration et des Communautés culturelles (chapter M-21.1);
(3) to natural persons dispensing alone, at home, educational services to children exempted from compulsory school attendance, as provided in subparagraph 4 of the first paragraph of section 15 of the Education Act (chapter I-13.3);
(4) to natural persons dispensing alone to less than five students at any one time certain subjects of a category of educational services mentioned in section 1, provided that those of the students who are subject to compulsory school attendance under Division II of Chapter I of the Education Act otherwise fulfil that obligation;
(5) to an establishment with regard to supplementary vocational training dispensed to persons who participate at their employer’s request for the purposes of their work.