However, in a case where a member is discontinued from service subsequent to the accident, either voluntarily or involuntarily, and provided that the member meets the requirements of paragraph one of this subdivision, application may be made either (a) by a vested member incapacitated as the result of a qualifying World Trade Center condition as defined in section two of this chapter at any time, or (b) not later than two years after the member is first discontinued from service. For purposes of this subdivision, a member who is injured as the result of a physical assault by an assailant, suffered while in service shall be entitled to accidental disability retirement unless the contrary can be proven by competent evidence under this section.
N.Y. Retire. and Soc. Sec. Law § 605-A