Handwritten Signature
For all new members joining in, kindly note that before you file your application, you need to go through Document Checklist Form IMM5533 thoroughly and especially instructions written in it about Schedule A - Background / Declaration Form IMM 5669.
You MUST:
Your application package will be returned to you if you fail to sign this paper by hand.
IMPORTANT: Signatures must NOT be older than 90 days when IRCC receive your application package.
Source : http://www.cic.gc.ca/english/information/applications/spouse.asp