First level control is the foundation of the whole financial control system of EU Structural Funds. Incorrect and ineligible financing of projects can result in repayments.First level controllers are still encountering difficulties:How to improve administrative verifications of co-financed projects?What is the right dealing with irregularities?How to prove public procurement procedures?How to optimize on-the-spot-checks and check lists?This advanced seminar provides assistance for more efficiency within the important tasks of first level control. It offers solutions for improving the administrative verifications, on-the-spot checks, the check list and the prevention and detection of irregularities. Furthermore, it focuses on checking the public procurement procedures in the first level control as they represent the most common area of irregularities. The seminar explains how to deal with the findings and offers case studies on possible solutions for the most common irregularities´ areas.