723.2. For the 2013-2014 and 2014-2015 fiscal years, a school board that has sufficient fiscal resources as determined under section 475 or 475.1, that benefited from an amount applied to the reduction of the school tax for the 2012-2013 fiscal year under the second paragraph of section 475.2, and whose taxation rate for that fiscal year was less than the maximum rate set in section 308 receives a subsidy corresponding to one half of the amount applied to the reduction of the school tax in the preceding fiscal year.