As is probably apparent, I have largely been off email for the past 10 days and am only just catching up on missed messages. So I apologise for the scattered and untimely response as I bring some order back to my overflowing inbox.
To add to James' comments, my understanding is that the NCSG Policy Committee tries to keep to the following schedule. I'm not sure it was formally adopted, but as a rough internal operating procedure, it does outline how positions are drafted, edited, reviewed, and ultimately either approved or rejected:
http://mailman.ipjustice.org/pipermail/pc-ncsg/2015-December/003349.html