Thanks, this is what was written in the letter:
Police Certificate: For the principal applicant and dependant spouse (if applicable), please provide police certificates from:
The country where they currently live, and
Any country they have lived for six months or more (if applicable).
Your relative is required to obtain the police certificate from that country’s law enforcement authorities. Please send a copy of the original police certificate to this office as soon as they receive it.
Instructions to obtain Police Certificates can be found on our website:
http://www.cic.gc.ca/english/information/security/police-cert/index.asp.