or act that is obscene, physically threatening or menacing, or done in a manner that is likely to inflict injury or incite an immediate breach of the peace. (3) Makes noise that is unreasonable, considering the nature and purpose of the actor's conduct, location, time of day or night, and other factors that would govern the conduct of a reasonably prudent person under the circumstances. (4) Creates or maintains a hazardous or physically offensive condition. (b) The regulations contained in this section apply, regardless of land ownership, on all lands and waters within a park area that are under the legislative jurisdiction of the United States. Interpretation U.S. courts confronted with cases stemming from disorderly conduct arrests have from time to time had occasion to restrict the broad and vague definitions of the statute to make certain that freedom of speech and assembly and other forms of protected expression under the First Amendment were not affected. Common law jurisdictions have accumulated precedents that refine interpretation of vague statutes. Courts have had occasion to curb its scope to make certain that people were (or could have been) aware that their conduct was, in fact, within the prohibition of the statute, as required by the due process clause of the Fourteenth Amendment. However, no court has struck down a disorderly conduct statute as being per se unconstitutionally vague or overbroad. Courts have been willing to strike down vagrancy ordinances which are nearly as vague and do not give adequate warning. California Penal Code § 415 which is similar to the Model Penal Code reiteration above actually concerns disturbing the peace. However, in California disorderly conduct (California Penal Code § 647) lists what acts constitute disorderly conduct. Section 647: Every person who commits any of the following acts is guilty of disorderly conduct, a misdemeanor (a) Who solicits anyone to engage in or who engages in lewd or dissolute conduct in any public place or in any place open to the public or exposed to public view. (b) Who solicits or who agrees to engage in or who engages in any act of prostitution. A person agrees to engage in an act of prostitution when, with specific intent to so engage, they manifest an acceptance of an offer or solicitation to so engage, regardless of whether the offer or solicitation was made by a person who also possessed the specific intent to engage