D.C. Mun. Regs. tit. 8, r. 8-B1412
The title "Professor Emeritus" may be awarded by the Board to a retired professor who has rendered distinguished service.
Professors emeriti shall be entitled to use the facilities of the University and shall be included in published faculty listings.
Professors emeriti may perform occasional services in keeping with their desires and capabilities and with the needs of the University.
A candidate for appointment to the rank of Distinguished Professor shall be required to meet all of the requirements for the rank of Professor. In addition, a candidate shall have achieved outstanding professional distinction. This distinction may have been expressed in research, creative accomplishments, teaching service to higher education, or public service.
When appropriate, the title of "Distinguished Visiting Professor" may be used instead of Distinguished Professor.
All appointments to the rank of Distinguished Professor shall be approved by the Board.
The title "Visiting" may be affixed to any of the regular academic ranks, as well as to the rank of Distinguished Professor, when appointing a person to a limited appointment at the University.
The title "Adjunct" may be affixed to any of the regular academic ranks when appointing a candidate to provide limited service in special areas as needed. The rank of the appointee shall be based on qualifications.
Adjunct appointments shall not carry the benefits of the regular full-time faculty.
D.C. Mun. Regs. tit. 8, r. 8-B1412