Standard 222.01 — Specifications for Marks Quick Reference Guide
The document below provides a simplified specification to affix and display nationality mark and the registration mark on a Canadian aircraft.
http://www.md-ra.com/docs/STD-222-quick-guide.pdf
Should you require additional information, the link below will bring you Standard 222 - Aircraft Marking and Registration Standards.
http://www.tc.gc.ca/eng/civilaviation/regserv/cars/part2-standards-222-1005.htm