If you have pages that are not displaying the sale price after installing the contribution, make sure the page contains a code similar to the following:

if ($new_price = tep_get_products_special_price($product_info['products_id'])) {
$products_price = '' . $currencies->display_price($product_info['products_price'], tep_get_tax_rate($product_info['products_tax_class_id'])) . ' ' . $currencies->display_price($new_price, tep_get_tax_rate($product_info['products_tax_class_id'])) . '';
} else {
$products_price = $currencies->display_price($product_info['products_price'], tep_get_tax_rate($product_info['products_tax_class_id']));
}

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