If you are not an NSP currently certified Outdoor Emergency Care ("OEC") Technician, then you must send proof to the IOR of at least the typical two-day introductory first-aid and CPR course.
Better yet, take a Wilderness First Aid course, and even better, an Advanced Wilderness First Aid course. Providers include:
Wilderness Medical Associates
If you are an OEC Technician, then read the Wilderness appendix of the OEC Fourth Edition
(Unfortunately this material appears to be omitted from the Fifth Edition.)
If you are an OEC Technician, then read the Wilderness appendix of the OEC Fourth Edition
(Unfortunately this material appears to be omitted from the Fifth Edition.)