Any person, firm, or corporation who violates any provision of this chapter for which no other criminal penalty is provided by this chapter shall upon conviction be subject to imprisonment for not more than one year, or a fine of not more than $1,000, or both such imprisonment and fine; but if such violation involves intent to defraud, or any distribution or attempted distribution of an article that is adulterated (except as defined in section 601(m)(8) of this title), such person, firm, or corporation shall be subject to imprisonment for not more than three years or a fine of not more than $10,000, or both: Provided, That no person, firm, or corporation, shall be subject to penalties under this section for receiving for transportation any article or animal in violation of this chapter if such receipt was made in good faith, unless such person, firm, or corporation refuses to furnish on request of a representative of the Secretary the name and address of the person from whom he received such article or animal, and copies of all documents, if any there be, pertaining to the delivery of the article or animal to him.

Nothing in this chapter shall be construed as requiring the Secretary to report for prosecution or for the institution of libel or injunction proceedings, minor violations of this chapter whenever he believes that the public interest will be adequately served by a suitable written notice of warning.

(Mar. 4, 1907, ch. 2907, title IV, § 406, as added Pub. L. 90–201, § 16, Dec. 15, 1967, 81 Stat. 599; amended Pub. L. 99–641, title IV, § 403(c), Nov. 10, 1986, 100 Stat. 3570.)