Use Office of the University Registrar on first reference. University Registrar or registrar are acceptable on second reference.

The Office of the University Registrar is a record-keeping office on campus. Their duties include registering students, recording grades, preparing student transcripts, evaluating academic records, collecting tuition and fees, planning commencement, overseeing the preparation of college catalogs and schedules of classes and analyzing enrollment and demographic statistics.

Example: The Office of the University Registrar helps orchestrate the logistics of Mizzou commencement — and so much more.