To set up a VAT Tax Payment Reminder navigate to the client's file, under Services Required the VAT Return Service must be ticked. Navigate to  VAT Details fill in VAT Bill Amount and VAT Bill Due. When the VAT Bill Due date has passed the date and amount will be removed for you automatically.

To automate the payment reminder navigate to Settings > Automation Settings > Tax Payment Reminders and tick Automatic Tax Payment Reminders, add days to the Corporation Tax Days field then click Save Settings:

If your client informs you that they have made the payment, to stop the reminders navigate to their client file and remove the figure completely from the VAT Bill Amount field then click Update Client:

The VAT Bill Amount will and VAT Bill Due date will automatically clear once the VAT Bill Date has passed and no further reminders will be sent for that payment date