1. A person is guilty of an offense if he:
a. Knowingly makes a false entry in or false alteration of a government record; or b. Knowingly, without lawful authority, destroys, conceals, removes, or otherwise impairs the verity or availability of a government record.
2. The offense is:
a. A class C felony if committed by a public servant who has custody of the government record.
b. A class A misdemeanor if committed by any other person.
3. In this section "government record" means:
a. Any record, document, or thing belonging to, or received or kept by the government for information or record.
b. Any other record, document, or thing required to be kept by law, pursuant, in fact, to a statute which expressly invokes the sanctions of this section.