(a) Appointments to the Service shall be made without regard to the provisions of title 5 of the U.S. Code regarding appointments.

(b) Members of the Service shall not be covered by the following provisions of title 5 of the U.S. Code:

(1) Subchapter I of chapter 35 (relating to retention preference in the event of reduction in force);

(2) Chapter 43 (relating to performance appraisal and performance-based actions);

(3) Chapter 51 (relating to classification);

(4) Subchapter III of chapter 53 (relating to General Schedule pay rates); and

(5) Chapter 75 (relating to adverse actions).