Subject to subsection (b) of this section, at any time after 10 days after the return and recordation of the verdict or award in the proceedings, the Commission may enter and take possession of the condemned property, notwithstanding any appeal or further proceedings on the part of the defendant. Before entering the property, the Commission shall pay to the clerk of the circuit court the amount of the award and all costs assessed to date. At the time of payment, the Commission shall agree to abide by and fulfill any judgment following appeal, or until the time to request an appeal expires.