The article explores tensions between public organizations and their suppliers in the public procurement sector. It shows that limited relational norms and decisions made during procurement procedures can lead to conflicts and opportunistic behavior. The study reveals that these factors can negatively impact buyer-supplier relationships and overall performance. The research focuses on understanding how relationships develop and the influence of procurement decisions on these relationships. The findings suggest that low relational norms and procurement decisions play a significant role in creating tensions between buyers and suppliers in the public sector.