Requirements for documentation of informed consent (set forth in 45 CFR 46.117, 21 CFR 50.27, and ICH GCP 4.8) are:
A. The IRB must approve the consent form.
B. The participant or the participant's legally authorized representative must sign the current version of the IRB approved consent form.
C. A copy must be given to the person that signs it.
D. All of the above.