When setting up employees you may have inadvertently assigned the same Find Duplicate SSN/SIN feature.
to more than one employee, or you did not enter the number, leaving it as zeroes. To report employees with the same use theThe Duplicate SSN/SIN Listing report helps you identify employees who have been assigned the same . You should assign a unique to each employee before you start year-end processing and reporting, such as generating T4 or Relevé 1 slips.