Right but what mostly CHC suggest: (for Example about my CHC Buffalo suggest), this text printed with 2nd AOR page.
Changes in personal information
It is imperative that you inform the Buffalo office of any change in your
"- mailing addressor e-mail address
" family composition i.e. marital status, birth of a child, or death of a family member
If you need to communicate new information, you may use the Change in Personal
Information form on the reverse. We do not confirm receipt of correspondence. Please
fax or mail information one time only.
Note: Do not use the CIC e-Case-online Change of address system.
Your new address will not be downloaded to your file in Buffalo.
Personal data (spelling of name, date of birth, nationality) in our database is
taken directly from the information in your passport. Any requested change
to this information must therefore be accompanied by a copy of an amended
passport.
OMM