How often is a slot machine audited for its payout?

[n.t.]

How often is a slot machine being audited for its payout percentage?

[Steve Bourie]

Re: how often is a slot machine audited for its payout

I asked a gaming regulator at the Nevada Gaming Control Board this question back in 1999.

The chips are all inspected before they are placed in the machine. After that, he said it took them two years to re-inspect the machines at each casino.

You can read the whole story here:
http://www.americancasinoguide.com/T...s-Honest.shtml