You can read more about current regulations for the Protection of Human Subjects on the U.S. Department of Health and Human Services website.
The National Science Foundation has frequently asked questions and vignettes on interpreting the Common Rule for the Protection of Human Subjects.
Barnard and Columbia faculty and students may complete this module by logging into the Collaborative Institutional Training Initiative website and clicking on the link to the Training Center. Once you have completed this training, you can save a copy of your training certificate as a pdf file, which you can submit to the Barnard IRB along with your research proposal.
See, §46.116 General requirements for informed consent, in The Common Rule for the Protection of Human Subjects
Any research involving human subjects conducted by Barnard faculty or students must be approved unless the IRB designates it as exempt from review.
Information about the criteria for determining exemption is included in the IRB Application Form. Additional information about exemption can be obtained from §46.101 To what does this policy apply? in The Common Rule for the Protection of Human Subjects.