Where a petition seeking review of a decision of an electoral board is filed prematurely, the petitioner may later amend the petition at a timely point, and the initial petition’s untimeliness does not deprive the court of subject-matter jurisdiction to hear the amended petition.The 1st District Appellate Court reversed and remanded a decision from Cook County Associate Judge Carol A. Kipperman.Jan Kowalski McDonald submitted a petition to run for the position of Cook County clerk on Dec. 4, 2017. One week later …