Add note about contracts not being invoices.

RIGS/templates/RIGS/event_print_page.xml

@@ -189,12 +189,18 @@
 <keepTogether>
     <blockTable style="totalTable" colWidths="300,115,80">
     <tr>
-        <td></td>
+        <td>{% if not invoice %}VAT Registration Number: 116252989{% endif %}</td>
         <td>Total (ex. VAT)</td>
         <td>£ {{ object.sum_total|floatformat:2 }}</td>
     </tr>
     <tr>
-        <td>{% if not invoice %}VAT Registration Number: 116252989{% endif %}</td>
+        <td>
+            {% if not invoice %}
+            <para>
+                <b>The full hire fee is payable at least 10 days before the event.</b>
+            </para>
+            {% endif %}
+        </td>
         <td>VAT @ {{ object.vat_rate.as_percent|floatformat:2 }}%</td>
         <td>£ {{ object.vat|floatformat:2 }}</td>
     </tr>
@@ -205,7 +211,7 @@
                 {% if invoice %}
                     VAT Registration Number: 116252989
                 {% else %}
-                    <b>The full hire fee is payable at least 10 days before the event.</b>
+                    <b>This contract is not an invoice.</b>
                 {% endif %}
             </para>