"Summary conviction" refers to a type of criminal offense that is considered less serious. It typically results in a shorter trial process and less severe consequences, such as fines or short-term imprisonment. Full definition
(3) on summary conviction for a second offence for a fine of no more than $ 500,000 or to imprisonment for a term of no more than 18 months or both. (tdslaw.com)
But there's a catch for law school clinics, many of whom appear in the criminal courts to represent low income persons accused of summary conviction offences. (slaw.ca)
If prosecuted by summary conviction, the maximum penalty is 18 months jail. (criminalnotebook.ca)