Open the T4A Processing Area
From the Accounting menu to the Menu.
- Select Year-End Processing.
- Click Create T4A Slips.
Access the Current T4A Form
- In the list of T4A slips, Click to the last record.
- Open it to view the most current T4A processing form.

Select the Agent to Update
- In the T4A form, locate the Agent field.
- Click on the agent whose SIN needs updating.
Edit the Contact Record
- In the Contact field, click the Action button.
- Choose Open Relationship from the available menu options.

Change the Relationship Filter to Tax Agencies
- Add a line using the plus button.
- Enter Receiver General in the Contact Field
- Update Start Date to the Agents Incorporation Date.

Indicate Incorporated Status
- Scroll to the field labeled “Is Incorporated.”
- Select or check the box to confirm the agent is incorporated.
Enter the Corporation Name
- In the corporation fields:
- Enter the corporation name in Line 1.
- Enter additional corporation information (if applicable) in Line 2.
Click Save and Close to finalize the updates.

Refresh and Save the T4A Form
- Return to the T4A processing form.
- The form should auto-update with the new Business Number.
- Click Save to finalize the updated T4A slip.

Best Practices
- Always verify the correct incorporation date before updating.
- The corporation name should match official legal documentation.
- If information is missing or unclear, consult internal records before saving.
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