https://www.ifsqn.com/forum/index.php/files/file/310-brc-issue-8-%E2%80%93-root-and-branch-review-and-how-to-address-the-requirements/?forcedownload=1&_k=880ea6a14ea49e853634fbdc5015a024&forceDownload=1&_k=880ea6a14ea49e853634fbdc5015a024