(b)
For purposes of any appeal procedures (other than those described in subsection (a) of this section) or any grievance procedure negotiated under the provisions of chapter
71 of this title—
(1)
any action which is the basis of an individual’s entitlement to benefits under this subchapter, and
(2)
any termination of any such benefits under this subchapter,
shall not be treated as appealable under such appeals procedures or grievable under such grievance procedure.