24 C.F.R. § 1005.439
(b) Junior lien. The property may be subject to a junior lien held by a Tribe, Direct Guarantee Lender, TDHE, Federal, State, local government, or an Eligible Nonprofit Organization. Where applicable, a junior lien when intended to be utilized in conjunction with a Section 184 loan, must be evaluated in the Section 184 underwriting process by the Direct Guarantee underwriter in accordance with Section 184 Program Guidance. In cases where a junior lien is recorded after the Section 184 Loan Guarantee Certificate is issued, the junior lien must comply with this section.
(c) Junior liens to reduce Borrower monthly payments. With prior HUD acceptance, the property may be subject to a junior lien advanced to reduce the Borrower's monthly payments on the Section 184 Guaranteed Loan following the date it is guaranteed, if the junior lien meets the following requirements: