Health Savings Accounts

Can someone tell me where I can find regulation and bank guidance regarding Health Savings Accounts? I am needing to learn the rules/requirements banks must follow and have in place for monitoring and handling of these accounts.

Treasury publication on HSAs. It's a couple years old. After you have digested that, browse BOL's Learning Connect area (light blue tab at the top of the page) for archives of recent webinars that will include any updates.