# § 12140. Investigations by Secretary
**(a)** **In General.—** The Secretary may conduct investigations and inspections regarding compliance with this chapter and regulations prescribed under this chapter.
**(b)** **Authority To Obtain Evidence.—**
**(1)** **In general.—** For the purposes of any investigation conducted under this section, the Secretary may issue a subpoena to require the attendance of a witness or the production of documents or other evidence relevant to the matter under investigation if—
**(A)** before the issuance of the subpoena, the Secretary requests a determination by the Attorney General as to whether the subpoena—
**(i)** is reasonable; and
**(ii)** will interfere with a criminal investigation; and
**(B)** the Attorney General—
**(i)** determines that the subpoena is reasonable and will not interfere with a criminal investigation; or
**(ii)** fails to make a determination with respect to the subpoena before the date that is 30 days after the date on which the Secretary makes a request under subparagraph (A) with respect to the subpoena.
**(2)** **Enforcement.—** In the case of a refusal to obey a subpoena issued to any person under this section, the Secretary may invoke the aid of the appropriate district court of the United States to compel compliance.
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**Source Credit**: (Added Pub. L. 112–213, title III, § 308(a), Dec. 20, 2012, 126 Stat. 1566.)