CHAPTER 126SCHOOL FINANCE — STATE PERCENT OF GROWTHS.F. 171AN ACT establishing the state percent of growth and including effective date and retroactive applicability provisions.Be It Enacted by the General Assembly of the State of Iowa:   Section 1.   Section 257.8, subsection 1, Code 2015, is amended to read as follows:   1.  State percent of growth.  The state percent of growth for the budget year beginning July 1, 2012, is two percent. The state percent of growth for the budget year beginning July 1, 2013, is two percent. The state percent of growth for the budget year beginning July 1, 2014, is four percent.The state percent of growth for the budget year beginning July 1, 2015, is one and twenty-five hundredths percent. The state percent of growth for each subsequent budget year shall be established by statute which shall be enacted within thirty days of the submission in the year preceding the base year of the governor’s budget under section 8.21. The establishment of the state percent of growth for a budget year shall be the only subject matter of the bill which enacts the state percent of growth for a budget year.   Sec. 2.   CODE SECTION 257.8 IMPLEMENTATION.  The requirement of section 257.8, subsection 1, regarding the enactment of bills establishing the regular program state percent of growth within thirty days of the submission in the year preceding the base year of the governor’s budget does not apply to this Act.   Sec. 3.   EFFECTIVE UPON ENACTMENT.  This Act, being deemed of immediate importance, takes effect upon enactment.   Sec. 4.   RETROACTIVE APPLICABILITY.  This Act, if approved by the governor on or after July 1, 2015, applies retroactively to July 1, 2015.Approved July 2, 2015