i am US green card holder going to canada for 2 months to look after my uncle who undergo colon cancer surgery, He don't have any relatives to look after him after the surgery, my question is i don't have yet may card type green card what i have is green card valid for one year that stamp on my passport given at guam port of entry is it okey if i 'll travel with out the card type green card ? and do i need a letter from my uncle for them ( Immigration of Canada )to know my purpose of going to canada , do i need show money ? What are the documents that i need ? or round trip airfare ticket . please help
