If you are claiming the Apprenticeship Training Tax Credit for BC, you will need your transcript showing that you have completed technical training level three, especially if CRA requests proof.
If you were to make the claim without the proper paperwork being submitted, CRA would most likely disallow the claim if you were unable to supply that transcript upon request.
Here's a link to the Govt of BC information regarding the BC Training Tax Credit:
https://www2.gov.bc.ca/gov/content/taxes/income-taxes/corporate/credits/training/apprentice
