The executive committee may:
(1) employ and prescribe the compensation for a chief executive officer whom the committee may designate as the general manager or the executive director;
(2) appoint auditors and attorneys and prescribe their duties, compensation, and tenure;
(3) adopt a seal for the authority;
(4) set the fiscal year for the authority;
(5) establish a complete system of accounts for the authority;
(6) designate by resolution an authorized representative of the authority to, according to terms prescribed by the executive committee:
(A) invest authority funds; and
(B) withdraw money from authority accounts for investments; and
(7) designate by resolution an authorized representative of the authority to supervise the substitution of securities pledged to secure authority funds.