The scope of the Turkish Labour Act is regulated in article 4 in a negative manner, where the article provides the types of work to which the Labour Act is not applicable. In this respect, the Turkish Labour Act is not applicable to the employment relationships concerning the various activities or persons. Subcontractor is not one of them. It is a common practice where an employer (principal employer) delegates certain tasks within an establishment organization to another employer (subcontractor) who puts his/her own employees to work in the establishment of the principal employer under the labor law..