They keep track of everything once an UCI for you is logged with them. This (every piece you submitted to CIC) information is kept with them even for 50 years and only way to get this to wipe-out is to get the Citizenship. This is confirmed by the CBSA/CBO officers once I am crossing the border from USA in a car.kryt0n said:What do you mean by details? Do you mean address or job at the time?