If it is determined that any person has violated the requirements of this statute, or any rule adopted pursuant to the statute, the commissioner may:

1. Revoke or suspend the license of any stamping agent.
2. Impose a civil penalty in an amount not exceeding the greater of 500% percent of the retail value of the cigarettes sold or $5,000.
3. Deem any cigarettes sold, offered for sale, or possessed for sale in New Hampshire in violation of the statute contraband, subject to seizure and forfeiture.
4. Seek an injunction to restrain a threatened or actual violation of the statute.

The state shall be entitled to recover the costs of investigation, costs of action, and reasonable attorney's fees.