us-me/stat
36 M.R.S. § 187-A — Preparer penalty
If any part of any understatement of liability with respect to any return or claim for refund is due to a willful attempt in any manner to understate the liability for a tax by a person who prepares those returns or claims for compensation, or whose employees do so, that person shall pay a penalty of $500 with respect to each return or claim.
Source: official text