25 U.S. Code § 1616q - Exemption from payment of certain fees
Employees of a tribal health program or urban Indian organization shall be exempt from payment of licensing, registration, and any other fees imposed by a Federal agency to the same extent that officers of the commissioned corps of the Public Health Service and other employees of the Service are exempt from those fees.
Source(Pub. L. 94–437, title I, § 124, as added Pub. L. 111–148, title X, § 10221(a),Mar. 23, 2010, 124 Stat. 935.)