Not me. But the person who has it, my relative, has no idea what is it.
According to this, there is no Z
Category Code Visa Description
B-1 Business Visitor
C-1 Courtesy
D-1 Diplomat
F-1 Facilitation Visa
IM-1 Immigrant (single-entry visa for PR)
0-1 Official
P A-1 Permit Holder
PAX-1 National Interest TRP
PC-1 Permit Holder with Valid TRP
PG-1 Parents or Grandparents Super Visa
R-1 Passed-Residency Obligation
RA-1 Presence at Appeal
RC-1 Passed H&C – PR Travel Document
RX-1 Attending a PR hearing while you were present in Canada in the past 365 days.
S-1 A student with Study Permit
SW-1 An international student with Study & Work Permit
SX-1 A student exempt from the requirement to obtain a Study Permit
V-1 Visitor
VH-1 Visitor in Transit for not more than 48 hours
W-1 A worker with Work Permit
WX-1 A worker exempt from the requirement to obtain a Work Permit