Templates are the format to be followed in a resume. You have to just download this format and fill the corresponding details in each section. The sections are arranged in the proper order of importance. It also provides an appropriate format for your resume.
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.