7 U.S. Code § 7731 - Inspections, seizures, and warrants
The activities authorized by this section shall be carried out consistent with guidelines approved by the Attorney General.
Upon proper oath or affirmation showing probable cause to believe that there is on certain premises any plant, plant product, biological control organism, plant pest, noxious weed, article, facility, or means of conveyance regulated under this chapter, a United States judge, a judge of a court of record in the United States, or a United States magistrate judge may, within the judge’s or magistrate’s  jurisdiction, issue a warrant for the entry upon the premises to conduct any investigation or make any inspection or seizure under this chapter. The warrant may be applied for and executed by the Secretary or any United States Marshal.
 So in original. Probably should be “magistrate judges’s”.
This chapter, referred to in subsecs. (b)(1), (2) and (c), was in the original “this title”, meaning title IV of Pub. L. 106–224, June 20, 2000, 114 Stat. 438, known as the Plant Protection Act, which is classified principally to this chapter. For complete classification of title IV to the Code, see Short Title note set out under section 7701 of this title and Tables.
For transfer of functions of the Secretary of Agriculture relating to agricultural import and entry inspection activities under this chapter to the Secretary of Homeland Security, and for treatment of related references, see sections 231, 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.
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