personally i think 0520-AA and 0521-CA are for the applicants who want to immigrate to QC, but not for sponsored person, i received them when i applied for coming here, but if MRCI changed the process now, we will never know, you'd better call them for sure.
personally i think 0520-AA and 0521-CA are for the applicants who want to immigrate to QC, but not for sponsored person, i received them when i applied for coming here, but if MRCI changed the process now, we will never know, you'd better call them for sure.