A vote under Sections 5-23029 and 5-23030, in favor of the levying of the tax for the purpose stated, shall not prevent a subsequent vote to levy an additional tax in excess of the statutory limit under Sections 5-23039 and 5-23040 for the purpose stated in said Sections, but if the vote shall be in favor of levy of such additional tax in excess of the statutory limit, the tax under Sections 5-23029 and 5-23030 shall be discontinued without submission of question of discontinuance to the electors.