There are many different ways this template can look. The most important thing is that it has all the necessary data on the form and can be filled out fast and easy. Most of the time these invoice templates are simple excel files that add all the billed positions together and show the amount of taxes that are included in the total due payment. Most of the time you can make a very simple invoice template yourself, but these forms look unprofessional and cheap. There are several free resources available on the internet where you can choose from a wide range of templates designed especially for your business niche. These professionally designed templates that carter all the special needs in your niche will make you come across much more professional and will therefore give you much more repeat customers if they are satisfied with your service.
specifics about the job role in case the basic agreement doesn't cover them.