You can change your service billing cycle by:
1. Please login to Client Portal, then select Service
2. Click the service you want to change Billing Cycle
3. After entering in your Service details, Click the button Billing Cycle Fox
4. After that you will enter the option to change the billing cycle, please press the button Choose Billing Cycle, after finishing selecting the last billing cycle option click knob Change
After button Change you click, an invoice for billing cycle changes will automatically be generated.