This modification is based on another well known contribution for osCommerce.
The Prof. Invoice and Packing-slip
What it does:
The Packing-slip will follow shortly.It will add a Professional looking Invoice to your OpenCart store.
This Invoice contains all information needed for you customers financial department.
There are multiple columns:
2 columns containing Unit Price incl. Tax and excl. Tax
2 columns containing Unit(s) Total Price incl. Tax and excl. Tax
Order sub-total, Tax, shipping costs and Order total.
It will also show the Order ID, Invoice ID, Order Date, Invoice Data, Shipping and Payment method.
The Header has all the Store-info + Store logo.
The Footer has 2 editable lines of text + you can have images in it.
It operates independent from the default OpenCart Invoice (you can remove the Print Invoice buttons in your Admin)
See image for details.
Thanks again to afwollis who helped me build this FREE modification!