Ill. Admin. Code tit. 95, § 400.730
b) Contents of Writings, Recordings and Photographs
For purposes of this Section, the following definitions apply:
c) Requirement of the Original
To prove the content of a writing, recording or photograph, the original writing, recording or photograph is required, except as otherwise provided in this Manual, Illinois Statute or Act of Congress. (Il. Mil. R. Evid. 1002)
d) Admissibility of Duplicates
A duplicate is admissible to the same extent as an original unless:
e) Admissibility of Other Evidence of Content
The original is not required, and other evidence of the contents of a writing, recording or photograph is admissible if:
f) Copies of Public Records to Prove Content
g) Summaries to Prove Content
h) Testimony or Statement of a Party to Prove Content
Contents of writings, recordings or photographs may be proved by the testimony or deposition of the party against whom offered or by the party's written admission, without accounting for the nonproduction of the original. (Il. Mil. R. Evid. 1007)
i) Functions of the Military Judge
2) As in the case of other issues of fact, when an issue is raised, the issue for the trier of fact to determine is: