90 days after the applicable State authority (as defined in section 2791(d)(1) of the Public Health Service Act (
42 U.S.C. 300gg–91(d)(1))) first discovers, or reasonably should discover, that, in at least one county in the State (or, in the case of a State that does not have counties, equivalent municipality), only one health insurance issuer offers in the current plan year, or will offer in a future plan year, coverage in the individual market for the current plan year or a future plan year, as applicable, in the case of a State not described in paragraph (1).