In order to immigrate to Canada, a foreign national needs to prove that they are eligible (depending on the program) and inadmissible. Inadmissibility check applies to all immigration programs administered by the Canadian government
How does the government determine inadmissbility?
The government of Canada utilizes police clearances, biometric checks and medical checks (among other options as applicable) to assess inadmissibility.
What happens when I am inadmissble?
The variety of consequences depend on the type of inadmissibility. For the most part, your admission to Canada will be denied on the grounds of inadmissibility.
There are remedies to certain inadmissibility issues. Some inadmissibility are addressed by the IRB and then issues related to criminal charges could be addressed through (but not limited to) a pardon, application for rehabilitation or sometimes deemed rehabilitation (Over 10 years have passed since the offence or act was committed.
If I am inadmissible does this mean I can never come to Canada?
In a broader sense, inadmissibility was put in place to protect the people of Canada and Canada's national and economic interests
In some cases where inadmissibility could not be overcome, a TRP (Temporary Resident Permit) maybe issued depending on circumstances
What if a family member of the applicant is admissible but the applicant is not inadmissible?
Unless you are a protected person, if one family member is found to be inadmissible, all family members will be considered inadmissible.
Things to think about
Inadmissbility is not a simple issue. Its a serious issue with serious consequences that can adversely impact your application
Misrepresentation in your application would also lead to inadmissbility along with a 5 year ban
Inadmissbility could get complicated. Its strongly advised to reach out to a competent lawyer or a licensed immigration consultant for advice