Reg. Visitor visa to Canada

[Tejbir singh Mathauda]

Hi, I am student in 2017., applied for my family visa to come in August 2017 for convocation ceremony. My family got visa in August 2017. But not came at that time. Now they are thinking to come to me.
What are the document needed for emigration check at canada - to satisfy the officer for late coming ,

 

[Bryanna]

Hi, I am student in 2017., applied for my family visa to come in August 2017 for convocation ceremony. My family got visa in August 2017. But not came at that time. Now they are thinking to come to me.
What are the document needed for emigration check at canada - to satisfy the officer for late coming ,

They won't need to explain the change in their travel plans. They can travel anytime as long as their TRVs are valid