In this section the following words have the meanings indicated. “Civil immigration violation” means a violation of federal civil immigration law. “Court order” does not include a document issued by: the United States Department of Homeland Security; the United States Department of Justice; or any successor agency. “Family member” means a relative by blood, adoption, or marriage. “Household member” means a person who lives with another or is a regular presence in the home of another. “Law enforcement agent” means an individual who is certified by the Maryland Police Training and Standards Commission under § 3–209 of the Public Safety Article. “Law enforcement agent” does not include an agent or employee of a State correctional facility or a local correctional facility. “Local correctional facility” has the meaning stated in § 1–101 of the Correctional Services Article. “State correctional facility” has the meaning stated in § 1–101 of the Correctional Services Article. In this subsection, “arrest” does not include a routine booking procedure. Except as provided in paragraphs (3) and (4) of this subsection, a law enforcement agent may not, during the performance of regular police functions: inquire about an individual’s citizenship, immigration status, or place of birth during a stop, a search, or an arrest; detain, or prolong the detention of, an individual: for the purpose of investigating the individual’s citizenship or immigration status; or based on the suspicion that the individual has committed a civil immigration violation; transfer an individual to federal immigration authorities unless required by federal law; coerce, intimidate, or threaten any individual based on the actual or perceived citizenship or immigration status of the individual or: the individual’s family member; the individual’s household member; the individual’s legal guardian; or another individual for whom the individual is a legal guardian; or provide federal immigration authorities with information about an individual obtained in the course of the law enforcement agent’s duties unless required by a valid court order. Nothing in this subsection shall prevent a law enforcement agent from inquiring about any information that is material to a criminal investigation. If the citizenship or immigration status of an individual is relevant to a protection accorded to the individual under State or federal law, or subject to a requirement imposed by international treaty, a law enforcement agent may: notify the individual of the protection or requirement; and provide the individual an opportunity to voluntarily disclose the individual’s citizenship or immigration status for the purpose of receiving the protection or complying with the requirement.