$ex_rate = get_exchange_rate_from_home_currency(get_customer_currency($credit_note->customer_id), $credit_note->document_date);
add_trans_tax_details(11, $credit_no, $taxitem['tax_type_id'],
$taxitem['rate'], $credit_note->tax_included, $taxitem['Value'],
$ex_rate = get_exchange_rate_from_home_currency(get_customer_currency($credit_note->customer_id), $credit_note->document_date);
add_trans_tax_details(11, $credit_no, $taxitem['tax_type_id'],
$taxitem['rate'], $credit_note->tax_included, $taxitem['Value'],