When any police officer responds to any party, gathering or event and that police officer determines there is a threat to the public peace, health, safety or general welfare, the police officer shall issue a written notice to the host or hosts that a subsequent response to that same location or address within 24 hours of the first response shall be deemed a special security assignment rendered to provide security and order on behalf of the party, gathering or event and that the host may be liable for a police services fee as defined in this article.