Sanctions are imposed against countries or organizations when they fail to comply with a set of legal rules. This article focuses on the process of implementing a supplier sanction model at the Federal University of Minas Gerais, Brazil. It identifies the contributions and limits of the administrative sanctions model in public procurement. The article follows a qualitative research approach and triangulates data sources obtained from semistructured interviews, a document analysis of university purchasing records, and field diaries. It was found that there is an increase in efficiency in the delivery time of purchased items. However, the research found that there is a need for certain improvements, such as the disclosure of the services offered, an expansion of the scope of action, and user empowerment to extract all the potential benefits that the implemented structure offers. The article concludes that this supplier sanction model contributes to the improvement of administrative sanctions management and serves as a reference model for public services. It also assists public managers at the federal university to comply with the law while gaining efficiency.