A. Consultants undertaking forensic linguistic analyses will state in their reports the methods they have followed and provide relevant details of the data, equipment, statistical-reliability tests, and computer programs used
B. In making their analyses, consultants will take due account of—and act diligently in accordance with—the technical and professional methods available at the time and their appropriateness to the purposes of the inquiry and the data under examination.
C. In reporting in cases where judgments concerning the consultant’s level of certainty of an opinion or conclusion is scientifically possible, consultants will indicate where their opinion or conclusion lies in relation to the range of judgments, if any.
D. Consultants will maintain awareness of the limits of forensic linguistic analysis and of their own knowledge and competencies when agreeing to carry out work, making certain that they possess or can with certainty acquire the specific professional knowledge and skills at the level necessary to ensure that their linguistic analysis is performed at the highest level of competency.