ERISA Termination Event means (i) a “Reportable Event” described in Section 4043 of ERISA and the regulations issued thereunder (other than a “Reportable Event” not subject to the provision for 30-day notice to the PBGC under such regulations), or (ii) the withdrawal of a Borrower or any of its ERISA Affiliates from a “single employer” Plan during a plan year in which it was a “substantial employer”, both of such terms as defined in Section 4001(a) of ERISA, or (iii) the filing of a notice of intent to terminate a Plan or the treatment of a Plan amendment as a termination under Section 4041 of ERISA, or (iv) the institution of proceedings to terminate a Plan by the PBGC or (v) any other event or condition which might constitute grounds under Section 4042 of ERISA for the termination of, or the appointment of a trustee to administer, any Plan or (vi) the partial or complete withdrawal of a Borrower or any ERISA Affiliate of such Borrower from a “multiemployer plan” as defined in Section 4001(a) of ERISA.