The requests of individuals or organizations outside the institutions of higher education for scientific and academic expertise, projects, research and similar services along with the medical examination and treatment of patients, and also laboratory tests and the research related to them, either at the university or at the place of service, may be performed in accordance with the principles laid down by the University Executive Board. All payments due from such services are entered as income into the Revolving Fund of the relevant higher education institution or of its attached organization.