Experience section is listed directly after the objective section in resume. This format is used when the person with sufficient work experience in similar field is applying for more superior position in other company. In this case, with such extensive experience, employer will consider that the applicant already possesses the job related skills and does not waste his time on viewing this section. Your relevant work experiences will win you the desired job.
Lastly, you will need to consider the production of your template. Depending on your industry you need to pick the best invoice to suit your needs. For example, you may use an invoice template that you customize electronically and print from the convenience of your office before submitting to your client. Or perhaps, the invoice will be sent electronically through email. Or you may require a handwritten invoice form that your technician can complete in the field. Most likely, your company will require a combination of these. Using a template can ensure that your companys design and branding elements are consistent.