You will need approval from the NIH Ethics Program for any outside activities, as well as DIS approval, before beginning such activity. Provide the details of your planned activity to your Ethics office.
Provide the details to the DIS by submitting our Request for Outside Activity form. The form must be submitted before beginning the activity.
Please note that H-1B regulations prohibit you from receiving payments from other organizations (unless you receive USCIS approval to work in H-1B status for that organization).