Apologies – the ‘Add Items’ is coming from the Yith Request a Quote. Code for the invoice template is here:
<table class="pdf_invoice_heading_table" style="width:100%">
<tbody>
<tr style="padding-bottom:20px;float:left;width:100%">
<td style="width: 25%;padding:20px 0px"><strong>Customer:</strong><br></td>
<td style="width: 25%;padding:20px 0px">[wcj_order_checkout_field field_id="shipping_first_name"] [wcj_order_checkout_field field_id="shipping_last_name"]<br></td>
<td style="width: 25%;padding:20px 0px;text-align:right"><strong>Order Date:</strong><br></td>
<td style="width: 25%;padding:20px 0px;text-align:right">[wcj_invoice_date]<br></td>
</tr>
<tr style="margin-bottom:20px;float:left;width:100%">
<td style="width: 25%;padding:20px 0px"><strong>Telephone:</strong><br></td>
<td style="width: 25%;padding:20px 0px">[wcj_order_billing_phone]<br></td>
<td style="width: 25%;text-align:right;padding:20px 0px"><strong>Order Ref:</strong><br></td>
<td style="width: 25%;padding:20px 0px;text-align:right">[wcj_order_number]<br></td>
</tr>
<tr style="margin-bottom:20px;float:left;width:100%">
<td style="width: 25%;padding:20px 0px"><strong>Billing Address:</strong><br></td>
<td style="width: 25%;padding:20px 0px">[wcj_order_billing_address]<br></td>
<td style="width: 25%;text-align:right;padding:20px 0px"><strong>Delivery Address:</strong><br></td>
<td style="width: 25%;padding:20px 0px;text-align:right">[wcj_order_shipping_address]<br></td>
</tr>
<tr style="margin-bottom:20px;float:left;width:100%">
<td style="width: 25%;padding:20px 0px"><strong>Email Address:</strong><br></td>
<td style="width: 25%;padding:20px 0px">[wcj_order_checkout_field field_id="billing_email"]<br></td>
<td style="width: 25%"> </td>
<td style="width: 25%"> </td>
</tr>
</tbody>
</table>
</p>
<p>
[wcj_order_items_table table_class="pdf_invoice_items_table"
columns="product_sku|item_name|item_quantity|line_total_tax_excl"
columns_titles="|Product|Qty|Total"
columns_styles="width:10%;|width:70%;|width:5%;|width:15%;text-align:right;"]
<table class="pdf_invoice_totals_table">
<tbody>
<tr><th>Postage</th><td>[wcj_order_shipping_price]</td></tr>
<tr><th>VAT @ 0%</th><td> £0.00</td></tr>
<tr><th>Order Total</th><td>[wcj_order_total]</td></tr>
</tbody>
</table>