Deadlines for submitting an application for admission for regular students are avaible on the here.
An application submitted after deadline is still admissible. However, a delay can postpone the beginning of study by one or two sessions. Non-Canadian applicants must take into account the additional time it will take to complete the process of entering Canada, which can add up to six months or more, when submitting their admission applications.
Bureau du registraire / HEC Montréal
3000, ch. de la Côte-Ste-Catherine
Canada H3T 2A7
Telephone: (514) 340-6000
Fax: (514) 340-6411
Applicants who wish to study engineering must contact the École Polytechnique (affiliated with the UdeM):
Bureau du registraire / École Polytechnique
C.P. 6079, succursale Centre-ville
Canada H3C 3A7
Telephone: (514) 340-4711
Fax: (514) 340-5859