1. Login to your Readyspace Customer Portal
2. Click the Services drop down menu at the left bar of the screen
3. and select the appropriate subscription (Ex: WebSpace SG, Office Mail SG)
4. Click on the Services name under Product/Services
5. Click on Service Auto Renewal link
6. From here you can set Auto Renew to On to enable auto generate invoice.
Or set Auto Renew to off to disable auto generate invoice.
7. Click Save Changes