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 providing expertise integral to the design, 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 |