Section 3-216 - Boards of elections; assistance to, records to be furnished it1. Any law enforcement agency whenever called upon by a board of elections, shall assist in the investigation of registrations and render all other practicable assistance in the enforcement of this chapter. The officer in charge shall detail to the service of the board of elections, upon its written request, such members or employees of the agency as may be necessary.2. Every public officer shall be required to furnish to the board of elections, without charge, such copies of the official records in his custody, certified by him, as the board may require and as are appropriate and necessary for the performance of its duties.