15 ILCS 415/3
The State Comptroller may have any records kept by him photographed, microfilmed, or otherwise reproduced on film or in any electronic media prior to destruction; provided, that prior to the destruction of any warrants, the Comptroller shall have those warrants photographed, microfilmed or otherwise reproduced on film or in any electronic media, in 2 copies.
Reproductions shall be placed in conveniently accessible files and provisions made for preserving, examining and using them.
(from Ch. 15, par. 27)
(Source: P.A. 97-813, eff. 7-13-12.)