"Under the best evidence rule, the original document must be produced whenever its contents are the subject of inquiry.[25]The rule is encapsulated in Section 3, Rule 130 of the Rules of Court, as follow:
Sec. 3. Original document must be produced; exceptions. — When the subject of inquiry is the contents of a documents, no evidence shall be admissible other than the original document itself, except in the following cases:
(a) When the original has been lost or destroyed, or cannot be produced in court, without bad faith on the part of the offeror;
(b) When the original is in the custody or under the control of the party against whom the evidence is offered, and the latter fails to produce it after reasonable notice;
(c) When the original consists of numerous accounts or other documents which cannot be examined in court without great loss of time and the fact sought to be established from them is only the general result of the whole; and
(d) When the original is a public record in the custody of a public officer or is recorded in a public office.[26]
A photocopy, being a mere secondary evidence, is not admissible unless it is shown that the original is unavailable.[27] Section 5, Rule 130 of the Rules of Court states:
SEC.5 When original document is unavailable. — When the original document has been lost or destroyed, or cannot be produced in court, the offeror, upon proof of its execution or existence and the cause of its unavailability without bad faith on his part, may prove its contents by a copy, or by a recital of its contents in some authentic document, or by the testimony of witnesses in the order stated.
Before a party is allowed to adduce secondary evidence to prove the contents of the original, the offeror must prove the following: (1) the existence or due execution of the original; (2) the loss and destruction of the original or the reason for its non-production in court; and (3) on the part of the offeror, the absence of bad faith to which the unavailability of the original can be attributed. The correct order of proof is as follows: existence, execution, loss, and contents.[28]
In the case at bar, Lagman mentioned during the direct examination that there are actually four (4) duplicate originals of the 1990 Bond: the first is kept by the NFA, the second is with the Loan Officer of the NFA in Tarlac, the third is with Country Bankers and the fourth was in his possession.[29] A party must first present to the court proof of loss or other satisfactory explanation for the non-production of the original instrument.[30] When more than one original copy exists, it must appear that all of them have been lost, destroyed, or cannot be produced in court before secondary evidence can be given of any one. A photocopy may not be used without accounting for the other originals.[31]
Despite knowledge of the existence and whereabouts of these duplicate originals, Lagman merely presented a photocopy. He admitted that he kept a copy of the 1990 Bond but he could no longer produce it because he had already severed his ties with Country Bankers. However, he did not explain why severance of ties is by itself reason enough for the non-availability of his copy of the bond considering that, as it appears from the 1989 Bonds, Lagman himself is a bondsman. Neither did Lagman explain why he failed to secure the original from any of the three other custodians he mentioned in his testimony. While he apparently was able to find the original with the NFA Loan Officer, he was merely contented with producing its photocopy. Clearly, Lagman failed to exert diligent efforts to produce the original."
