; and (2) the Secretary shall have the authority to establish a payment schedule for purposes of this section for loans made, insured, or guaranteed under part B and not held by the Secretary. (f) Waivers In carrying out this section, the Secretary may waive the application of— (1) subchapter I of chapter 35 of title 44, United States Code; (2) the master calendar requirements under section 482; (3) negotiated rulemaking under section 492