(a) The proceeds from revenue refunding bonds that are deposited as provided by Section 317.155(b) shall be held under an escrow agreement so that the proceeds will be available to pay the principal of and interest on the bonds to be refunded as each becomes due.
(b) The escrow agreement may provide that the proceeds may, until needed to pay principal and interest, be invested in direct obligations of the United States.
(c) Interest earned on an investment described by Subsection (b) shall be considered revenue of the facility.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.