After disconnecting a bank feed, any bank rules associated with the bank account will become inactive and need reassigning. 

When opening the bank rules page, you'll see the below warning message.

1. Go to Banking and select Manage bank rules.
2. Select the relevant bank from the Bank Account dropdown.
3. Select the checkbox for each bank rule you want to reassign.
   TIP:

   Select the checkbox at the top of the list to select all rules on the page.

4. Select Reassign.
5. Choose the relevant bank account from the Destination Bank Account dropdown.
6. Select Reassign rules.

The status of the bank rules will change from Inactive to Active.