@Khayen this is an exemple of the mail , you can send it to Vancouver
To Whom It May Concern:
Date: Always date correspondence everyone!
Re: URGENT Request for written reasons for H&C refusal:
Name:
LASTNAME,
First Names, DOB: xx/xx/xxxx Client Identification #
XXXX-XXXX:
I write to please request the written reasons for the decision of my Humanitarian and Compassionate grounds that I received on (DATE).
I would be grateful for the expeditious treatment of this request as I face certain time constraints and have a near desperate need to fully understand the issues identified by the Senior Immigration Officer when refusing the application.
I thank you in advance for any consideration afforded this request.