Odoo exposes the report template within the company settings because this will be one of the most frequent changes a company will require. There are three template segments that you can modify:
The header and footer information are all within the same text box. The header and footer sections are commented within the code so that you know where each section begins and ends.
Let's look at the RML for the company header. The following is a screenshot of the RML used for the company header:
Take special notice ...