Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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by submitting an order or pre-order , you acknowledge that you are authorised to use the designated payment method , and you authorise us to charge your order to that payment method . 

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. OPTIONS: ["Limitation of liability", "Content removal", "None", "Unilateral change", "Choice of law", "Jurisdiction", "Contract by using", "Unilateral termination", "Arbitration"].