The Terms and Conditions may be unilaterally amended and updated by the Seller. This provision shall not affect the rights and obligations arising after the effective period of the previous version of the Terms and Conditions. The Seller will notify the Buyer of the change or amendment of the Terms and Conditions at least fourteen (14) days before the effective date of the change or new Terms and Conditions, via a message sent to the registered e-mail address of the Buyer. The user is entitled to reject the changes by cancelling his user account.