§ 219. Rehearings. 1. Whenever a claim under sections two hundred
sixteen or two hundred seventeen of this article is disapproved or
disallowed, in whole or in part, the chief of staff shall cause notice
thereof to be served by mail upon the claimant or his attorney. Within
six months after the service of such notice the claimant may apply to
the chief of staff for a rehearing of his claim. The chief of staff may
deny or grant such an application. If granted, the chief of staff may
appoint, as appropriate, another medical examiner or board as provided
by section two hundred sixteen of this chapter or another pension
examining board as provided by section two hundred seventeen of this
chapter.

2. The provisions of subdivision three of section two hundred sixteen
and of subdivisions two, three and four of section two hundred eighteen
of this chapter shall be applicable with respect to claims reheard
pursuant of this section.