As I mentioned on my previous post . If your paying and ur the sponsor
Then ur information on the reciept .. And also attach a cover letter with ur husbands info. And it must go to mississagua by regular mail . But for the visa office fax or email would be ok or regular mail as well . And also don't forget to write ( right of premnent resident fees payment (RPRF ) on the envelope that ur sending to miss. so they can forward ur mail to the right department in there .