Thankfully, Australia is not as litigatious a nation as Australia, and our laws place more onus on the individual to be responsible for their well-being.
We (Australian referees) have been informed that we cannot make a player remove any jewlery that is not external or is not covered by clothing (ie tounge studs, nipple rings, belly-button rings and hmmm... more "personal" types of piercings.
Makes life easier for us Down Under......