The employees of Department 4 are divided into three departments: "Financial Management and Taxes", "Purchasing" and "Digitization and Process Management". The "Financial Management and Taxes" department is responsible, among other things, for drawing up and executing the university budget and supporting the departments with various reports; third-party funding management and the processing of payment transactions are also located here. The Purchasing department is responsible for the procurement of all items in accordance with the provisions of public procurement law, which the university's operations entail. In addition to recording processes, the "Digitization and Process Management" unit is responsible for implementing the Onlinezugangsgesetz and the E-Government-Gesetz des Landes NRW.