I found the solution as following link. The PS 1.7X ver has a module "psgdpr" by default, for guest check out.
https://github.com/PrestaShop/PrestaShop/issues/15923
And <label class="js-terms" for="conditions_to_approve[{$condition_name}]"> {$condition nofilter} </label> on payment.tpl is for regular customer check out
I found the resolution as following link. The PS 1.7X ver has a module "psgdpr" by default, for guest check out.
https://github.com/PrestaShop/PrestaShop/issues/15923
And <label class="js-terms" for="conditions_to_approve[{$condition_name}]"> {$condition nofilter} </label> on payment.tpl is for regular customer check out
