(a) The board may borrow money at a rate of interest not to exceed the maximum annual percentage rate allowed by law for district obligations at the time the loan is made.(b) To secure a loan, the board may pledge:(1) district revenue that is not pledged to pay the district's bonded indebtedness;(2) tax revenue to be collected by the district in the next 12-month period that is not pledged to pay the principal of or interest on district bonds; or(3) district bonds that have been authorized but not sold.(c) A loan for which tax revenue or bonds are pledged must mature not later than the first anniversary of the date the loan is made. A loan for which other district revenue is pledged must mature not later than the fifth anniversary of the date the loan is made. Added by Acts 2007, 80th Leg., R.S., Ch. 920 (H.B. 3166), Sec. 1.02, eff. April 1, 2009.