; (2) in paragraph (28), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (29) of the commencement or continuation of a grievance, arbitration, or similar dispute resolution proceeding established by a collective bargaining agreement that was or could have been commenced against the debtor before the filing of a case under this title, or the payment or enforcement of an award or settlement under such proceeding. .