Tips for fair office Powerball pool

ORANGE PARK, Fla. -- If you're looking to jump in the office lottery pool today for a chance to share half a billion dollars, here are some tips to keep it fair.

Write everything down. Create a document of who contributed and how much.

Have everyone write down their name and sign it. This document will stand up in court.

Make sure each person has a copy of all the tickets purchased in the pool.

If you are purchasing individual tickets, make sure you sign it. That way nobody else can claim it.