Various developed nations nowadays have put all their efforts to regulate competition laws for international market. And, Australia is not an exception to this implementation; the further growth and development of the Australian industries are mainly regulated by the Australian government in order to oversee if the organizations, business owners, employees are in full compliance with the law that enforces several business laws that govern many small and medium enterprises on operating and entering into complete competition both in an open market operation. I. Introduction This paper aims to evaluate critically the Journal Article literature written by Schaper, 2010 (pp. 7 - 18) entitled Law, Enforcement and the Australian Small Business Sector that is very relevant to the issues and challenges that Australian SME (Small and Medium sized Enterprises) sector is experiencing nowadays in entering the international market. The situation of the Australian SMEs is further analyzed through giving an overview on the topic, and more importantly is identifying the research question and its corresponding research objectives of the study. The support of theoretical framework is essential in order for this critical analysis to narrow down to the main substance of the issue. Hence, the utilization of relevant literatures is necessary in order to discuss the basis of the research objectives, theories, and methodologies that are applied in the study, as well as the manner they are being used in the topic. Furthermore, at the latter part of this paper, a conclusion is provided in order to give stress to the focal points and significant implications of the critique. II. Summary of the Article Schaper, (2010) has discussed in his article entitled Completion law, Enforcement and the Australian Small Business Sector the issues and challenges in the implementation of the Competition Laws in the Australian open market. Though, these regulations mainly control and manage the small and medium enterprises through the Competition & Consumer Act 2010 which formerly known as the Trade Practices Act 1974; this Act was especially designed for the small and medium businesses to address various issues and challenges pertaining to provision of collective bargaining arrangements, exclusion of unscrupulous acts among business owners, and implementation of right business ethics that must be practiced within the SME organization and in the competitive environment.