- Advisory Opinion 12-01: Conflict of Interest
- Advisory Opinion 12-02: Acceptance of Travel Expenses from a Nonprofit Entity
- Advisory Opinion 12-03: Gift of Travel
- Advisory Opinion 12-04: Acceptance of Waiver of Registration Fee
- Advisory Opinion 12-05: Acceptance of Travel Expenses to a Conference
- Advisory Opinion 12-06: Acceptance of Travel Expenses to a Conference
- Advisory Opinion 12-07: Waiver of Registration Fees for a Conference
- Advisory Opinion 12-08: Acceptance of Travel Expenses and Waiver of Registration Fee
- Advisory Opinion 12-09: Acceptance of a Vehicle
- Advisory Opinion 12-10: Withdrawn
- Advisory Opinion 12-11: Acceptance of Travel Expenses from a Nonprofit Organization
- Advisory Opinion 12-12: Acceptance of Travel Expenses from a Federal Agency
- Letter Ruling 12-01: Valuation of a Meal
- Position Statement 12-01: Travel
- Position Statement 12-02: Application of the Gift Ban at Political Events
