Using money in advertising

my company is wanting to use some funny money (does not really look like real money, is printed on different colors of paper, ie. blue, red, etc).
could someone point me to an online resource of guidelines (restrictions) for reproducing money?

So You Want to Invest In Inkjet

I Want to Invest in Inkjet, But…
Over the past few years I’ve watched a group of transactional and direct mail printers strategically shift from monochrome toner machines to full-color toner and inkjet presses. Most banished old black-only toner boxes but kept their color toner devices around because they anticipated needing both color inkjet and toner presses to meet customer needs. They were right then and continue to be right today. Because toner and inkjet can be better together. Read the Post