| 12-13.001 | Scope of Rules |
| 12-13.002 | Definitions |
| 12-13.004 | Delegation of Authority to Determine Settlements or Compromises |
| 12-13.005 | Grounds for Finding Doubt as to Liability |
| 12-13.006 | Grounds for Finding Doubt as to Collectability |
| 12-13.0063 | Grounds for Finding Department Delay in the Determination of an Amount Due |
| 12-13.0064 | Relief for Inadvertent Sales and Use Tax Registration Errors |
| 12-13.007 | Grounds for Reasonable Cause for Compromise of Penalties |
| 12-13.0075 | Guidelines for Determining Amount of Compromise |
| 12-13.008 | Procedures for Compromise and Settlement of Taxes, Interest, and Penalties |
| 12-13.009 | Closing Agreements |
| 12-13.010 | Special Provisions Applicable to Compromise of Estate Taxes |