<sales_order_view translate="label">
    .....
        <block type="sales/order_view" name="sales.order.view">
            <block type="sales/order_items" name="order_items" template="sales/order/items.phtml">
                <action method="addItemRender"><type>default</type><block>sales/order_item_renderer_default</block><template>sales/order/items/renderer/default.phtml</template></action>
                <action method="addItemRender"><type>grouped</type><block>sales/order_item_renderer_grouped</block><template>sales/order/items/renderer/default.phtml</template></action>
                <block type="sales/order_totals" name="order_totals" template="sales/order/totals.phtml">
                    <action method="setLabelProperties"><value>colspan="4" class="a-right"</value></action>
                    <action method="setValueProperties"><value>class="last a-right"</value></action>
                    <block type="tax/sales_order_tax" name="tax" template="tax/order/tax.phtml" />
                </block>
            </block>
        </block>