I checked the categories of Copr on the ircc website and the is what I found.Where did you find that
When an immigrant is approved for permanent residence in Canada, they receive a Confirmation of Permanent Residence document. An immigration officer at the port of entry or a CIC office signs and dates this document when permanent residence is finally granted. This document is used by permanent residents to show to provincial and territorial organizations in order to access services. There is an immigration category printed on this document.
The following is a reference tool that explains the immigration categories listed on the COPR.
. PD2: Dependant of a member of the post-determination refugee claimant in Canada class residing