Stumpage Forms & Publications
Attention! Some web browsers may not support all the features of PDF forms, such as fillable or calculating fields, and may produce errors. We recommend you download the form and open it using the latest version of Adobe Reader.
- Authorization or Cancellation of a Representative (146) (PDF)
- Waiver of the Time Period for Assessment (FIN 144) (PDF)
- Notice of Revocation of Waiver (FIN 158) (PDF)