The catchall or omnibus hearsay exception created by Federal Rule of Evidence 807 or a comparable State rule is available only if the proponent of a statement under this exception makes known to the adverse party sufficiently in advance of the trial or hearing to provide the adverse party with a fair opportunity to prepare to meet the statement, the proponent's intention to offer the statement and the particulars of it, including the name and address of the declarant.

Brazos River Authority v. GE Ionics, Inc., 469 F.3d 416, 426 (5th Cir. 2006) (alleged design defect in device made by defendant that allegedly caused fires at plaintiff's faccility; held, trial court improperly excluded evidence of similar fires at other facilities; in one line of reasoning court of...The prohibition in Federal Rule of Evidence 404(b) against the use of other crimes, wrongs, or acts to show disposition, or character, to show conduct on a specific occasion in accordance with character, or disposition, does not apply in civil actions.

Fed. R. Evid. 403 ("Although relevant, evidence may be excluded if its probative value is substantially outweighed by the danger of unfair prejudice, confusion of the issues, or misleading the jury, or by considerations of undue delay, waste of time, or needless presentation of cumulative evidence.").It is generally permissible for a cross-examiner to inquire into acts of the witness that reasonably suggest that the witness is untruthful, but the trial court has the discretion to preclude a question about such an act if the trial finds that the risk of prejudice occasioned by such an inquiry into such an act substantially outweighs the probative value of such an act on the question of the truthfulness of the witness.

Fed. R. Evid. 803(6) ("Records of regularly conducted activity. A memorandum, report, record, or data compilation, in any form, of acts, events, conditions, opinions, or diagnoses, made at or near the time by, or from information transmitted by, a person with knowledge, if kept in the course of a regularly conducted business activity, and...There is a hearsay exception for a memorandum, report, record, or data compilation, in any form, of acts, events, conditions, opinions, or diagnoses, made at or near the time by, or from information transmitted by, a person with knowledge, if kept in the course of a regularly conducted activity of a business, institution, association, profession, occupation, or calling if it was the regular practice of that business, institution, association, profession, occupation, or calling to make the memorandum, report, record or data compilation, unless the source of information or the method or circumstances of preparation indicate lack of trustworthiness.