Iowa Code Title IV. Public Health [Chs. 123-158] § 124.407. Gatherings where controlled substances unlawfully used--penalties

1. It is unlawful for any person to sponsor, promote, or aid, or assist in the sponsoring or promoting of a meeting, gathering, or assemblage with the knowledge or intent that a controlled substance be there distributed, used, or possessed, in violation of this chapter.

2. a. Any person who violates this section and where the controlled substance is any one other than marijuana is guilty of a class “D” felony.

b. Any person who violates this section, and where the controlled substance is marijuana only, is guilty of a serious misdemeanor.

3. The district court shall grant an injunction barring a meeting, gathering, or assemblage if upon hearing the court finds that the sponsors or promoters of the meeting, gathering, or assemblage have not taken reasonable means to prevent the unlawful distribution, use, or possession of a controlled substance. Further injunctive relief may be granted against all persons furnishing goods or services to such meeting, gathering, or assemblage.

4. The district court may, upon application and a showing of one or more of the grounds provided in section 639.3, grant to the state or governmental subdivision thereof a writ of attachment, ex parte, without bond, in an amount necessary to secure the payment of any fine that may be imposed and the payment of costs. The reasonable expense to the state and governmental subdivisions thereof to provide the necessary law enforcement resulting from a meeting, gathering, or assemblage held in violation of this section may be taxed as costs in the criminal action.