(a) A person commits the crime of tampering with governmental records if:
(1) He knowingly makes a false entry in or falsely alters any governmental record; or
(2) Knowing he lacks the authority to do so, he intentionally destroys, mutilates, conceals, removes or otherwise substantially impairs the verity or availability of any governmental record; or
(3) Knowing he lacks the authority to retain a governmental record he refuses to deliver up the record in his possession upon proper request of a person lawfully entitled to receive such record for examination or other purposes.
(b) Tampering with governmental records is a Class A misdemeanor.