36 CFR 291.34: Criminal penalties.

(a) A person who knowingly violates or counsels, procures, solicits, or employs another person to violate § 291.27 shall, upon conviction, be fined in accordance with Title 18, United States Code, or imprisoned not more than 5 years, or both; but if the sum of the commercial and paleontological value of the paleontological resources involved and the cost of restoration and repair of such resources does not exceed $500, such person shall be fined in accordance with Title 18, United States Code, or imprisoned not more than 2 years, or both.

(b) Paleontological and commercial values and the cost of restoration and repair are determined under §§ 291.37 through 291.39.