Article VII
Sec. 16: In civil cases
,justices of the peace shall have exclusive jurisdiction to the amount of one hundred dollars, and concurrent jurisdiction to the amount of three hundred dollars, which may be increased tofive hundredone thousand five hundred dollars in cities having a population of more than two hundred fifty thousand inhabitants, with such exceptions and restrictions as may be provided by law.They shall also have such criminal jurisdiction and perform such duties as shall be prescribed by law.