How to add new class form-control input field to billing address section in magento2.4
1 Answer
Extend from module-checkout/view/frontend/web/template/biling-address.html or module-checkout/view/frontend/web/template/billing-address/ into your extend theme in Magento_Checkout/web/module-checkout/view/frontend/web/template/biling-address.html Magento_Checkout/web/module-checkout/view/frontend/web/template/billing-address/ and add there