Amend, Cancel or Add Slips to a Submission

No matter how well you've planned the submission, or how hard you've worked to perfect it, there will come a time when someone will say "We just need to make a small change to ..." You can relax, because we also process amended, cancelled and additional returns.

We make it easy, even if an agency unrelated to AvanTax Filing Services prepared the submission being corrected.

Rates for Amendments, Cancellations & Additions
Standard Package will be invoiced per request at a reduced rate of $350.00 / return.
Optional Services will be invoiced per request as per the current rate schedule.
Amending Slips
Changing data in a submission
Amend data after submission or distribution to:
  • Change data for a slip in the submission
NOTE: To update a recipient's name or SIN, or the nature of income:
  • Cancel the incorrect slip
  • Issue a new original slip
To amend slips through AvanTax Filing Services:
  • Log into your Secure Client Portal account
  • Create an order for the amendment
  • Create a data file containing the slips to amend
    • Set slip status to "A" for all amended slips
    • Modify slip data as necessary
  • Upload, validate & submit the data file
We'll take care of everything else, just like always.
Cancelling Slips
Deleting data from a submission
Cancel data after submission or distribution to:
  • Remove a slip submitted in error
To cancel slips with AvanTax FIling Services:
  • Log into your Secure Client Portal account
  • Create an order for the cancellation
  • Create a data file containing the slips to cancel
    • Set slip status to "C" for all cancelled slips
    • Slips must include all data orginally submitted
    • Do not modify or remove any slip data
  • Upload, validate & submit the data file
We'll take care of everything else, just like always.
Adding Slips
Adding data to a submission
Add data after submission to:
  • Add missing slips to a previous submission
To add slips with AvanTax FIling Services:
  • Log into your Secure Client Portal account
  • Create an order for the addition
  • Create a data file containing the slips to add
    • Set slip status to "O" for all additional slips
  • Upload, validate & submit the data file
We'll take care of everything else, just like always.
Contact UsPortal Login