NIH Requirements Based on Project Role  (pdf)

	Principal Investigator	Co-Investigator	Subaward PI/Co-Investigator	Other Significant Contributor	Consultant	Consultant
Senior/Key Personnel	Yes	Yes	Yes	Yes	Yes A consultant could be key personnel if s/he is providingexpertise integral to thedesign, conduct, or reporting of the research.	No A consultant is not key personnel if s/he is providing a service and is not responsible for the design, conduct, or reporting of the research.
Personnel Materials:
Biosketch	Yes	Yes	Yes	Yes	Yes	No
Letter of Support	N/A	N/A	Optional	Optional	Yes The letter should describe the person's role in the project and include the consulting rate.	Optional
Conflict of Interest	Yes	Yes	Yes	No	Yes	No