The Initial Term of this Agreement is the minimum contracted period during which you must acquire the Service. The Initial Term commences when the Service is first activated. If the Initial Term is not specified on the front page of this Agreement, then it is for 24 months. If you notify the Company within 30 days before the end of the Initial Term that you do not wish to continue the Service, the Agreement ends at the end of the Initial Term. Charges: The Customer will pay the Monthly Charge for the Service supplied by the Company, and any other charges charged in accordance with this Agreement. Charges may include: b) The Monthly Charge (billed monthly in advance), e) Any Cancellation Fee(s) as specified in this Agreement. You will be charged the Monthly Charge each month regardless of usage of the Service. The Company may vary the price plan, charges and Services provided under this Agreement at its sole option. These changes may include (but are not limited to) the Monthly Charge, The Company will use its best efforts (but is not required) to advise the Customer of any such change(s) 30 days before they occur. Billing: Vodafone’s billing period is from the 21st to the 20th of the following month. For your first bill, your Monthly Charge will be pro-rated for the period from your activation date of Service through until the end of the monthly billing cycle.