hate to burst your bubble, but i think that if you get your P's AFTER the cut off date, then it's for both green and red P's. (i don't care if it's been mentioned before, i really couldn't be f*cked reading through the rest of the posts after mapge 2).
As for troubles with the cops, never had them. Only been pulled over once by an undercover, didn't even do a defect check, just a breath test and off he went. The other two times was during the cronulla riots ( i live in the shire, so it was on my way home), didn't get searched though.
I wonder if they really do check though.