City of Countryside issued the following announcement on Dec. 3.
Candidate nominating petitions for the City of Countryside for the April 2, 2019 election must be filed in the office of the City of Countryside Clerk’s Office located at 5550 East Avenue, Countryside, Illinois no earlier than 8:30 a.m. on Monday, December 10, and no later than 4:30 P.M. on Monday, December 17.
Original source can be found here.