If Customer is required by Law to withhold any Taxes from Customer's payment, the fees payable by Customer will be increased as necessary so that after making any required withholdings, Intercom receives and retains (free from any liability for payment of Taxes) an amount equal to the amount it would have received had no such withholdings been made. Any late payments will be subject to a service charge equal to 1.5% per month of the amount due or the maximum amount allowed by law, whichever is less.</p> <p>7.3.&nbsp;<strong>Payment Via Credit Card.</strong>