The Canada Training Credit (CTC) is a refundable federal tax credit to help with training and tuition fees. To be eligible for the CTC, you must:

• Be a Canadian resident no younger than 26 and no older than 65
• Have income in the year between $10,000 and $165,430 for 2024. (The upper limit is indexed annually.)
• Have a Training Credit Limit from the prior year’s CRA Notice of Assessment. For more information, see question #11 on this CRA webpage.

This TurboTax Canada FAQ has more info: What are Canada Training Credits, and how do I enter them in TurboTax?