(1) The testimony must have been taken:
(a) on oath or affirmation; or
(b) under such caution or admonition as would be accepted, by courts in the foreign country concerned, for the purposes of giving testimony in proceedings before those courts.
(2) The testimony must:
(a) if the foreign business authority is an individual--purport to be signed or certified by that individual; or
(b) otherwise--purport to be signed by an office holder of the foreign business authority, and purport to bear an official or public seal of the foreign business authority or an office holder of the foreign business authority.