Troubleshooting

The two main things that make an asset eligible for Designated Immediate Expensing Properties (DIEP) are:

• It's made available for use before 2025.  
• it's not in the following asset classes: 1 to 6, 14.1,17, 47, 49 and 51.

This CRA webpage has more details: https://www.canada.ca/en/revenue-agency/services/forms-publications/publications/t4002/t4002-2.html#...

This CRA webpage has more info on the Accelerated investment incentive:  https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/sole-proprietorships-partners...

If you are unsure if this asset qualified for DIEP or AII, you can contact the Canada Revenue Agency (CRA) and confirm it with them. 

If you are in Canada or the United States, you can call the CRA at 1-800-959-8281. If you are elsewhere, you can call 613-940-8495. This page has more ways to contact the CRA: Contact the Canada Revenue Agency