definiens: ( as defined in ERISA Section 3 ): ( i)to which Seller contributes or is ( or since December 31, 1"997 had been ) Obligated to contribute, or ( ii ) under which Seller has ( or since December 31, 1997 had ) any liability, with respect to Seller 's current or former employees or any individuals providing services to Seller ( collectively the and individually a ) ( b ) Pension Benefit Plans . Seller and its Affiliates have not maintained or administered since December 31, 1997 any ( as defined in ERISA Section 3 ): ( i ) to which Seller contributes or is ( or since December 31, 1997 had been ) legally obligated to contribute, or ( ii ) under which Seller has ( or since December 31, 1997 had ) any liability with respect to Seller 's current or former employees or independent contractors ( collectively the and individually a )