No PO Boxes in Shipment Address Magento 1.9 - part 6

<li class="control">
            <input type="checkbox" name="shipping[same_as_billing]" id="shipping:same_as_billing" value="1"<?php if($this->getAddress()->getSameAsBilling()): ?> checked="checked"<?php endif; ?> title="<?php echo $this->__('Use Billing Address') ?>" onclick="shipping.setSameAsBilling(this.checked)" class="checkbox" /><label for="shipping:same_as_billing"><?php echo $this->__('Use Billing Address') ?></label>
        </li>
	<p class="po-box-block">If your billing address is a P.O. Box, please use a different address. We can only ship to physical addresses.</p>