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