(1) In general For purposes of this subchapter, the term “WTC responder” means any of the following individuals, subject to paragraph (4): (A) Currently identified responder An individual who has been identified as eligible for monitoring under the arrangements as in effect on January 2, 2011 , between the National Institute for Occupational Safety and Health and— (i) the consortium coordinated by Mt. Sinai Hospital in New York City that coordinates the monitoring and treatment for enrolled WTC responders other than with respect to those covered under the arrangement with the Fire Department of New York City; or (ii) the Fire Department of New York City. (B) Responder who meets current eligibility criteria An individual who meets the current eligibility criteria described in paragraph (2). (C) Responder who meets modified eligibility criteria An individual who— (i) performed rescue, recovery, demolition, debris cleanup, or other related services in the New York City disaster area in response to the September 11, 2001 , terrorist attacks, regardless of whether such services were performed by a State or Federal employee or member of the National Guard or otherwise; and (ii) meets such eligibility criteria relating to exposure to airborne toxins, other hazards, or adverse conditions resulting from the September 11, 2001 , terrorist attacks as the WTC Program Administrator, after consultation with the WTC Scientific/Technical Advisory Committee, determines appropriate. The WTC Program Administrator shall not modify such eligibility criteria on or after the date that the number of enrollments of WTC responders has reached 80 percent of the limit described in paragraph (4) or on or after the date that the number of certifications for certified-eligible WTC survivors under section 300mm–31(a)(2)(B) of this title has reached 80 percent of the limit described in section 300mm–31(a)(3) of this title .