What kind of documents/proof do we need to submit to CIC?

[MoE93]

Hi Everyone,
I am sponsoring a family through group of five. I said they will be living with me in the same house.
What kind of documents/proof do we need to submit for the house to CIC?

 

[هارون عبدالله]

ج

 

[هارون عبدالله]

جواز