I attached an image of the custom fields wich are not included in the confirmation mails, the last four form the image:
i also copy/paste the code for order creation notification subject.
<img src="{VAR:LIVE_SITE}/media/com_hikashop/images/icons/icon-48-order.png" border="0" alt="" style="float:left;margin-right:4px;"/>
<h1 style="color:#1c8faf !important;font-size:16px;font-weight:bold; border-bottom:1px solid #ddd; padding-bottom:10px">
{TXT:ORDER_TITLE}
</h1>
<h2 style="color:#1c8faf !important;font-size:12px;font-weight:bold; padding-bottom:10px">
{TXT:ORDER_CREATED}
</h2>
<!--{START:ORDER_FOOTER}-->
<tr>
<td colspan="3" style="text-align:right;color:#1c8faf !important;font-size:12px;font-weight:bold;">{LINEVAR:NAME}</td>
<td style="text-align:right">{LINEVAR:VALUE}</td>
</tr>
<!--{END:ORDER_FOOTER}-->