The rules of evidence govern what is admissible in court and I don’t recall any rule pertaining to NIST guidelines. I think what you might mean is that the guid

The rules of evidence govern what is admissible in court and I don’t recall any rule pertaining to NIST guidelines. I think what you might mean is that the guidelines are a learned treatise which, while it would be hearsay for me or you to quote as a fact witness, is nevertheless something an expert witness can refer to.