if the customer withdraws from this contract, we must reimburse any payments we have received from the customer, including delivery costs (excluding any additional costs incurred if the customer has selected a different type of delivery to the cheapest standard delivery option offered by us) without delay, but no later than fourteen (14) days after the day on which we receive the notice of the customer’s withdrawal from this contract.

Write the above sentence using proper case.
If the customer withdraws from this Contract, we must reimburse any payments we have received from the customer, including delivery costs (excluding any additional costs incurred if the customer has selected a different type of delivery to the cheapest standard delivery option offered by us) without delay, but no later than fourteen (14) days after the day on which we receive the notice of the customer’s withdrawal from this Contract.