I. Talking about Widget Corp. on the Internet

If you write on a website or blog that will mention Widget Corp., identify that you are an employee of Widget Corp. and that the views expressed on the blog or website are yours alone and do not represent the views of Widget Corp.
Unless given permission by your manager and the director of marketing, you may not speak to reporters on behalf of Widget Corp.
II. Personal Use of Websites

You are encouraged to use blogs, social networks, and websites to share your knowledge, express your creativity, and connect with others who share your interests. Widget Corp. supports your participation in these online communities.
What is the purpose of the roman numerals I. and II. in this passage?

to emphasize the importance of the rules
to show the sequence of sections
to present facts about the company
to focus readers’ attention on personal website use