42 CFR § 52e.2 - Definitions.
As used in this part:
Director means the Director of the National Heart, Lung, and Blood Institute and any official to whom the authority involved may be delegated.
Emergency medical services means the services utilized in responding to the perceived individual need for immediate medical care in order to prevent loss of life or aggravation of physiological or psychological illness or injury.
HHS means the Department of Health and Human Services.
Nonprofit as applied to any agency or institution means an agency or institution which is a corporation or an association, no part of the net earnings of which inures or may lawfully inure to the benefit of any private shareholder or individual.
PHS means the Public Health Service.