; and (C) contract with a private servicer to service any preferred equity instrument purchased by the Secretary under subparagraph (A). (3) Transfer of notes and papers When the preferred equity instrument is redeemed by the Secretary, a digital copy of all notes and papers shall be provided to the Secretary upon request of the Secretary. Upon request of the Secretary, an original document shall be provided. (4) Administrative costs The Secretary shall use amounts described under subsection (c)(1)(E) for administrative costs of carrying out this section. (5) Rulemaking Not later than 30 days after the date of the enactment of this Act, the Secretary shall issue such rules or guidance as the Secretary determines necessary to carry out this section. (g) Financial institution requirements and authorities (1) Deadline for making funds available A financial institution submitting a preferred equity instrument to the Secretary under this section shall, if the Secretary approves such instrument, make funds available to the borrower in connection with such instrument not later than 14 calendar days after such approval. (2) Sale of instrument to Treasury A financial institution may sell a preferred equity instrument to the Secretary after the end of the 10-year period beginning on the date on which the financial institution purchased the instrument at par plus interest less origination fees. (3) Foreclosure In the event of a foreclosure on the subject property securing a commercial mortgage relating to a preferred equity instrument, a financial institution shall sell the preferred equity instrument to the Secretary within 90 days after the date of foreclosure at par plus interest and origination fees. (4) Additional collateral A financial institution may require additional collateral from a borrower, including personal recourse, corporate recourse, a first lien on another encumbered property, or a claim on business assets. The financial institution may not receive a lien on the subject property. (h) Other requirements