shipping-notifications/ShippingNotifications/view/frontend/templates/shipping_notification.phtml

<?php
    $shipping_category = $block->getShippingCategory();
    $delayedCategs = $block->getDelayedShippingCategories();  

    if($delayedCategs){
        foreach($delayedCategs as $categ){
            if($shipping_category == $categ->getData("option_id")){
                echo $block->getChildHtml('cpcommerce_shipping_notification');
                break;
            }
        }
    }