; (B) community facilities that are located in low-income communities or principally serve low-income persons; or (C) housing that is principally affordable to low-income persons. (2) Investment Area The term Investment Area has the meaning given the term in section 1805.201(b)(3)(B)(ii) of title 12, Code of Federal Regulations (as in effect on the date of enactment of this section). (3) Loan The term loan means any form of direct financial assistance that is required to be repaid over a period of time provided by a CDFI to a project sponsor for all or part of the costs of a CDFI TOD project. (4) Low-income community The term low-income community means a community that is located in an Investment Area. (5) Low-income person The term low-income person means a person whose income does not exceed the level established for low-income (as such term is defined in section 1805.104 of title 12, Code of Federal Regulations, as in effect on the date of enactment of this section). (6) Project sponsor The term project sponsor means a public or private entity approved by a CDFI and developing a CDFI TOD project in accordance with this section. (b) Memorandum of Understanding The Secretary shall enter into a memorandum of understanding with the Secretary of Treasury to support consultation with the Community Development Financial Institutions Fund to provide the necessary credit underwriting, servicing, and monitoring of CDFI applicants and participants in the TIFIA program. (c) CDFI TOD accounts (1) In general The Secretary shall require any CDFI participating in the program authorized in this section to establish a CDFI TOD account into which the proceeds of a secured loan made to the CDFI in accordance with sections 602 and 603 and any loan repayments from public or private entities receiving loans made to fund CDFI TOD projects will be deposited. (2) Amounts in account Any principal loan repayments and any investment income derived from funds deposited to a CDFI TOD account shall be— (A) credited to the account