Both principal and interest on the bonds issued for the purposes of RCW 47.60.800 through 47.60.808 shall be payable from the ferry bond retirement fund authorized in RCW 47.60.600. Whenever, pursuant to RCW 47.60.800 and 47.60.806, the state treasurer transfers funds from the motor vehicle fund to the ferry bond retirement fund, the state treasurer may at the same time reimburse the motor vehicle fund in an identical amount from the Puget Sound capital construction account.