While personnel disciplinary investigations at the higher education institutions were carried out pursuant to Executive, Instructor and Officers Disciplinary Regulation of Higher Education Institutions, they have been reorganized with the provisions added by Law No. 6764 dated 02.12.2016 to the Higher Education Law numbered 2547 and gained a legal basis. Hence, the Higher Education Law No. 2547 will be applied for the investigation procedure in higher education personnel discipline investigations. In this Law, unlike the provisions of the former Regulation, only discipline offences are regulated specific to university staff. In terms ofother disciplinary offenses, reference is made to the Civil Servants Law No. 657. However the provisions, which made reference to the Civil Servants Law, was annulled by the Constitutional Court’s decision dated 10.04.2019 and numbered E.2017/33, K.2019/20. In this study, the decision of the Constitutional Court in question, the disciplinary provisions added to the Higher Education Law No. 2547 will be evaluated in terms ofadministrative law and especially the issues which are different from the provisions in the former Regulation will be examined, all procedural rules in the investigation process will not be considered.