46 USC 50303 - Operating property and extending term of notes

(a) General Authority.— 
The Secretary of Transportation may
(1) operate or lease docks, wharves, piers, or real property under the Secretarys control; and
(2) make extensions and accept renewals of
(A) promissory notes and other evidences of indebtedness on property; and
(B) mortgages and other contracts securing the property.
(b) Terms of Transactions.— 
A transaction under subsection (a) shall be on terms the Secretary considers necessary to carry out the purposes of this subtitle, but consistent with sound business practice.
(c) Availability of Amounts.— 
Amounts received by the Secretary from a transaction under this section are available for expenditure by the Secretary as provided in this subtitle.