For undergraduate programs, March 15 is the extended deadline. To receive instructions on how to apply late, send an email to admissions [at] mcgill.ca with subject “UNDERGRADUATE LATE APP ALLOWANCE”, including your full name, citizenship and chosen program.
For programs in Graduate and Postdoctoral Studies certain deadlines had been extended to March 1 but, these extensions have now expired. Information about programs which are still accepting applications can be found here. For more info see: http://www.mcgill.ca/gradapplicants/apply/prepare/requirements/dates
Fall 2017 application fee refunds will be issued commencing in Summer 2017.
Academic merit remains the primary consideration for admission to McGill.