; (B) obtained without procedures required by a provision of law having been followed; or (C) unsupported by substantial evidence. (d) Relation to other provisions of law Section 3592(b)(1) of title 5, United States Code, shall not apply to an action under subsection (b). 607. Improved authorities of Secretary to improve accountability of employees of the Indian Health Service (a) Definitions In this section: (1) Covered individual (A) In general The term covered individual means an individual occupying a position at the Service. (B) Exclusions The term covered individual does not include— (i) an individual occupying a senior executive position (as defined in section 606(a)); (ii) an individual who has not completed a probationary or trial period; or (iii) a political appointee. (2) Grade The term grade has the meaning given the term in section 7511(a) of title 5, United States Code. (3) Misconduct The term misconduct includes— (A) neglect of duty; (B) malfeasance; (C) failure to accept a directed reassignment; and (D) failure to accompany a position in a transfer of function. (4) Political appointee The term political appointee means an individual who is— (A) employed in a position described in any of sections 5312 through 5316 of title 5, United States Code (relating to the Executive Schedule); (B) a limited term appointee, limited emergency appointee, or noncareer appointee (as those terms are defined in section 3132(a) of title 5, United States Code)