If you denied a bill:
You'll see "Undo Deny" option in the bottom of your bill page
2. If you approved a bill:
You will not be able to undo this approval. If the bill already transmitted to Workday, you'll have to process any changes directly in your ERP system. If the bill has not transmitted to your ERP system yet, contact us at [email protected] with the bill number and we'll reset it for you!