Prohibition from public procurement

States provide the reliability and continuity of public procurements; keep under constant monitoring for regular working; change the public procurement legislation in necessary cases. Noting the fact of influence of external Dynamics, Turkish Public Procurement Law No. 4734 and 4735 in numbered Public Procurement Contracts Law were enacted. In order to execute public procurements in a lawful and transparent manner, various audit and control tools, sanctions and guidelines are applied. In our thesis, as a sanction "to ban from participating in the tender" Corporation are explored in detail. In addition; the decision to ban from participating in the tender varieties according to administrative ban and addressed as judicial decision in the form of a restraining order is classified and studied. Again; the decision to ban from participating in the tender should be given by the Administration; This decision is made and the administrative sanctions evaluation in terms of the nature of this decision has been identified as an administrative sanction.In this context, policies that would form the basis of administrative sanctions in the evaluations. This thesis, regarding public procurement ban to participate in the determination of the deficiencies in legislation and in practice, specify the problems that occurred in solving these problems at the point of providing solutions to the practitioner suggested solutions is intended to bring.