It is unlawful for any person to forge or counterfeit any instrument, or possess any counterfeit instrument, with the intent to injure or defraud any person. If a person creates, alters, or possesses a forged instrument, the crime is a Class I felony.Uttering forged paper or instrument containing a forged endorsement. First, choose the consumer complaint form that fits your problem. You can now create and submit business creation documents online here. Need help filing business creation documents online? Uttering a forged instrument is considered a Class H felony and has the same potential penalty as forging a lease, will, or deed.