Checkbox in the cart page

Hi!
I need to put a checkbox in the cart page, who shows “I declare that I am aware that this order implies an obligation to pay on my part.” Mandatory.

User must mark this check to continue with the order. For this reason,
For this reason, I need the check to show on the cart page and not on the checkout page.
Please, can you help me?

Thank you so much in advance.

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