If any provision of this title relating to a Qualified High Technology Company is held to be invalid:
(1) Any tax abatement, credit, or other benefit provided under this title shall not be increased, and the amount of tax imposed under this title shall not be decreased, as a result of such invalidity; and
(2) A Qualified High Technology Company shall not pay additional taxes under this title to the District of Columbia until any proceedings to contest such taxes become final.