Completion of human research protection training is an educational requirement for all researchers in NIH's Intramural Research Program (IRP), and other NIH employees who conduct or support research involving human subjects (i.e., staff fellows, research nurses, data managers, support staff, etc.). The link to the HRPP Training Access page is provided below.
https://federation.nih.gov/ohsr/nih/investigator-training.php
The policy regarding training requirements for research staff of the NIH Intramural Research Program is addressed in HRPP SOP 25.