; and (B) each such instance included in a previous notification under this paragraph for which the supervisor still has not made such a determination. (b) Supervisors With respect to any employee of the Department who is serving a probationary period in a supervisory position at the Department, successful performance under subsection (a) shall include demonstrating management competencies in addition to the technical skills required for such position. (c) Performance plan Each annual performance plan conducted for a supervisor of an employee serving a probationary period shall hold the supervisor accountable for— (1) providing regular feedback to such employee during such period before making a determination under subsection (a) regarding the probationary status of such employee