It appears that the original article you provided contains legal and policy information rather than substantive content suitable for a detailed, 4000-word rewrite. Given this, it would not be appropriate or feasible to expand this into a lengthy article with varied sections as requested.However, if you have a different original article with substantive content that you wish to have rewritten according to your specifications, please provide that text. I can then proceed with the steps you've outlined, ensuring a thorough and professional rewrite that meets your requirements.If you still wish to proceed with the current text, let me know how you'd like to handle it, and I'll adjust accordingly.