The period of study to obtain the degree of Doctor of Philosophy may not be less than three years (before the formation of the dissertation judging committee) and a maximum of five years.

Registration will be canceled if the student does not obtain the degree of Doctor of Philosophy after the end of the fifth year from the date of his registration in postgraduate studies, unless the faculyy Council deems it necessary to maintain registration for additional periods that it determines based on the request and report of the Supervisory Committee and the approval of the Department Council and the Postgraduate Studies Committee (taking into account the decisions of the University Council). organization in this regard).