www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/guide-0002-application-canadian-citizenship-under-subsection-5-1-adults-18-years-older.html
Police certificate(s)
You need to provide a police certificate from each country, other than Canada, if you were there
in the past 4 years
for 183 days or more in a row
since the age of 18
Indicate in the chart the name of each country and provide a police certificate.
You don’t need to provide a police certificate if
you were in your country of origin immediately prior to becoming a permanent resident and landing in Canada, and
this time falls within the past 4 years
