I have COPR and I will be going to canada only for 5 days to apply for PR. I am planing to move there later on , but for now i have a job in the US which i want to return to. so is it important for me to apply for SIN? since i will be in canada aonly for so short and will be busy with a wedding and its a long weekend in canada that time so im thinking SIN office might be closed. for PR i will apply directly at airport. I am landing at 1 am FYI. what if i dont apply for SIN and just appky for pr and return.