16 USC 932 - Commissioners; appointment, number, and compensation; term of office; vacancy
(a)
(1) The United States shall be represented on the Commission by 4 Commissioners who shall be appointed by the President and who may not receive compensation for service as Commissioners. Of the Commissioners
(A) 1 shall be an official of the United States Government; and
(B) 3 shall be individuals who reside in different Great Lakes States and who are knowledgeable regarding the fisheries of the Great Lakes, except that 1 of them must also be an official of[1] Great Lakes State.
(2) The President shall appoint an alternate Commissioner who shall perform the duties of a Commissioner
(A) until a vacancy referred to in subsection (b)(3) of this section is filled; and
(B) in the event of the absence of a Commissioner from any meeting of the United States Section or the Commission.
(b)
(1) Except as provided in paragraph (2), the term of office of Commissioners appointed under subsection (a)(1)(B) of this section is 6 years.
(2) Of the Commissioners first appointed under subsection (a)(1)(B) of this section after November 14, 1986, 1 shall be appointed for a term of 2 years, 1 shall be appointed for a term of 4 years, and 1 shall be appointed for a term of 6 years.
(3) Whenever a vacancy occurs among Commissioners appointed under subsection (a)(1)(B) of this section, the President shall appoint an individual to fill that vacancy for the remainder of the applicable term.
[1] So in original. Probably should be followed by “a”.