27. For the purpose of computing allowable expenses, a student is deemed to be enrolled for a period not exceeding 4 months if the student(1) is in a serious and exceptional situation, within the meaning of section 96;
(2) has a major functional deficiency within the meaning of section 47;
(3) cohabits with his or her child;
(4) is at least 20 weeks pregnant;
(5) has a severely limited capacity for employment within the meaning of the Individual and Family Assistance Act and is participating, under that Act, in a social assistance and support measure or program, or the basic income program; or
(6) cannot pursue full-time studies for more than one month due to serious episodic disorders resulting from major and permanent physical or mental health problems attested to in a medical certificate.