Section 910.04 - Admissibility of other evidence of contents The original is not required, and other evidence of the contents of a writing, recording or photograph is admissible if:
(1) ORIGINALS LOST OR DESTROYED. All originals are lost or have been destroyed, unless the proponent lost or destroyed them in bad faith; or(2) ORIGINAL NOT OBTAINABLE. No original can be obtained by any available judicial process or procedure; or(3) ORIGINAL IN POSSESSION OF OPPONENT. At a time when an original was under the control of the party against whom offered, the party was put on notice, by the pleadings or otherwise, that the contents would be a subject of proof at the hearing, and the party does not produce the original at the hearing; or(4) COLLATERAL MATTERS. The writing, recording or photograph is not closely related to a controlling issue.Sup. Ct. Order, 59 Wis. 2d R1, R357 (1973); 1991 a. 32.