I was reading the guide and here in the forums, and just wanna get everything clear. 
They give you a list of forms for the OWP which are
	
		
			
		
		
	
				
			They give you a list of forms for the OWP which are
- Application to Change Conditions or Extend Your Stay in Canada [IMM 5710] (PDF, 484.21 KB)
 - Document Checklist [IMM 5556] (PDF, 767.09 KB)
 - Statutory Declaration of Common-law Union [IMM 5409] (PDF, 636.51 KB), if applicable
- Must be notarized to be considered valid.
 - If you are not in the same country as your common-law partner at the time of signature, each person can present their own declaration and submit the IMM 5409 with the application.
 
 - Use of a Representative [IMM 5476] (PDF, 648.31 KB), if applicable
 - Authority to release personal information to a designated individual [IMM 5475] (PDF, 593.57 KB), if applicable
 
	