1. A person who, without authorization of the principal, willfully alters or forges a health care directive or willfully conceals or destroys a revocation with the intent and effect of causing a withholding or withdrawal of life-sustaining procedures which hastens the death of the principal is guilty of a class C felony.
2. A person who, without authorization of the principal, willfully alters, forges, conceals, or destroys a health care directive or willfully alters or forges a revocation of a health care directive is guilty of a class A misdemeanor.
3. The penalties provided in this section do not preclude application of any other penalties provided by law.