NSRP’s legislation does does not contain a bridging or upgrading option to convert a degree that does not meet the NSRP’s Criteria for Acceptable Degrees in Psychology (URL provided below).
https://www.ns-rp.ca/downloads/Registration_Requirements_Regular.pdf
The NSRP’s legislation requires one to possess an acceptable degrees in psychology from an institution approved by the NSRP. The NSRP does not have discretion to waive these requirements.
In your circumstances, you might consider checking with the Nova Scotia College of Counselling Therapists for registration eligibility. The College of Counselling Therapists is the provincial governing body for counselling therapy (URL provided below).
https://nscct.ca/