| May 23, 2008 | Standard Unique Health Identifier for Healthcare Providers for small health plan (less than 5 million dollars in annual revenues) |
| May 23, 2007 | Standard Unique Health Identifier for Healthcare Providers for most covered entities |
| April 21, 2006 | SECURITY - Compliance deadline (small health plans) |
| August 1, 2005 | EMPLOYER IDENTIFIER STANDARD - Compliance deadline (small health plans) |
| May 23, 2005 | Standard Unique Health Identifier for Healthcare Providers Application available @CMS |
| April 21, 2005 | SECURITY - Compliance deadline (for all covered entities except small health plans) |
| July 30, 2004 | EMPLOYER IDENTIFIER STANDARD - Compliance deadline (for all covered entities except small health plans) |
| April 14, 2004 | PRIVACY - Compliance deadline (small health plans) |
| October 16, 2003 | Transactions & Code Sets - Compliance deadline (all covered entities who filed for an extension and small health plans) |
| April 16, 2003 | Transactions & Code Sets - deadline for starting software and systems testing |
| April 14, 2003 | PRIVACY - Compliance deadline (for all covered entities except small health plans) |
| 13-Feb-03 | SECURITY FINAL RULE - date of publication |
| 13-Feb-03 | ADDENDUM to TRANSACTIONS & CODE SETS FINAL RULE - date of publication |
| 16-Oct-02 | Transaction and Code Sets - deadline for compliance or request for one year extension |
| 31-May-02 | Employer Identifier Standard Final Rule Published |
| 28-Dec-00 | Privacy Final Rule Published |
| August 17, 2000 | Transaction and Code Sets Final Rule Published |
| 21-Aug-96 | HIPAA becomes law |
