Adult with a disability but have not claimed it as an adult on my own yet but am registered as a PWD in BC if i do not work does claiming this give me any advantage^

Yes, you can still claim your Disability Tax Credit (DTC) to your supporter as long as you can prove their support throughout the years in question. For example: a parent, spouse.

 

Or disability assistance from British Columbia.

To see the disability assistance they provided, please click: 
BC disability assistance

 

For more DTC details, please click:

Disability Credit Canada Disability Tax Credit Frequently Asked Questions

 

 

Thank you for choosing TurboTax.