Recently I created a SharePoint Site Collection using Publishing Site template. I noticed that the Generate file plan report link was missing from the Document Library Setting under Permission and Management menu. I found a lot of article describing the Generate File Plan Report feature in SharePoint 2010 but hardly find any article explains how to enable it. I guess that link is not included in the template for a reason. Anyway, here are the steps to restore that link.
1. Log in to the Site as a Site Collection Administrator
2. Go to Site Actions, Site Setting, select the Site collection features under the Site Collection Administration
Figure 1
3. Look for Reporting and hit on the Activate button next to it.
Figure 2
4. Navigate back to Library Setting and the Generate file plan report link should be there
If you have a better suggestion, please share it.