; and (8) execute warrants and make arrests. (b) Enforcement of subpoenas In the case of contumacy by, or refusal to obey a subpoena issued to, any person under subsection (a)(3), a district court of the United States, after notice to such person and a hearing, shall have jurisdiction to issue an order requiring such person to appear and give testimony or to appear and produce books, records, and other writings, regardless of format, that are the subject of the subpoena. Any failure to obey such order of the court may be punished by such court as a contempt thereof. (c) Best practice guidelines (1) In general The Secretary, in consultation with the heads of other appropriate Federal agencies, should publish and update best practices guidelines to assist persons in developing and implementing, on a voluntary basis, effective export control programs in compliance with the regulations issued under this subtitle. (2) Export compliance program The implementation by a person of an effective export compliance program and a high quality overall export compliance effort by a person should ordinarily be given weight as mitigating factors in a civil penalty action against the person under this subtitle. (d) Reference to enforcement For purposes of this section, a reference to the enforcement of, or a violation of, this subtitle includes a reference to the enforcement or a violation of any regulation, order, license or other authorization issued pursuant to this subtitle. (e) Immunity A person shall not be excused from complying with any requirements under this section because of the person’s privilege against self-incrimination, but the immunity provisions of section 6002 of title 18, United States Code, shall apply with respect to any individual who specifically claims such privilege. (f) Confidentiality of information (1) Exemptions from disclosure (A) In general Information obtained under this subtitle may be withheld from disclosure only to the extent permitted by statute, except that information described in