Request a Barcode

If you are unable to log into Mosaic you will need to activate your MacID here. To activate your MacID you require your student number, your barcode number, and your date of birth.

Applicants: Please do not use this form to request your barcode. This information and the next steps to access your application centre will be provided in a letter sent approximately 2-3 weeks after the submission of your application through OUAC.

Instructions: Please complete the form below to request your barcode number.  Please allow 5-7 business days for processing.  Incomplete requests will result in delays and/or will not be processed. 

The information gathered on this online form is collected under the authority of the McMaster University Act, 1976. The information is used for the academic, administrative, financial and statistical purposes of the University including, but not limited to, admissions; registration and maintaining records; awards and scholarships; convocation; provision of student services, including access to information systems; alumni; and disclosure to or on behalf of the applicable McMaster student government. This information is protected and is being collected under section 39(2) and section 42 of the Freedom of Information and Protection of Privacy Act of Ontario (RSO 1990). Questions regarding the collection or use of this personal information should be directed to the, University Registrar, University Hall, Room 209, McMaster University.