Set customer default tax location in WooCommerce on child sites.
Snippet Type
Execute on Child Sites
Snippet
add_filter( 'woocommerce_get_tax_location', 'wc_customer_default_tax_location', 9999, 3 );
function wc_customer_default_tax_location( $location, $tax_class, $customer ) {
if ( $customer && ! $customer->get_billing_country() ) {
return array( 'US', '', '', '' );
}
return $location;
}