adopt and use a seal for the Agency, which shall be judicially noticed;

hold hearings, sit and act, and take testimony as the Under Secretary may determine to be necessary or appropriate to carry out this chapter;

acquire, in any lawful manner, any property that the Under Secretary determines to be necessary or appropriate to carry out this chapter;

with the consent of another Federal agency, enter into an agreement with that Federal agency to utilize, with or without reimbursement, any service, equipment, personnel, or facility of that Federal agency;