; (J) by striking section 8(d)(4) and inserting paragraph (1)(D) ; and (K) by adding at the end the following: (3) Whenever collective bargaining is for the purpose of establishing an initial collective bargaining agreement following certification or recognition of a labor organization, the following shall apply: (A) Not later than 10 days after receiving a written request for collective bargaining from an individual or labor organization that has been newly recognized or certified as a representative as defined in section 9(a), or within such further period as the parties agree upon, the parties shall meet and commence to bargain collectively and shall make every reasonable effort to conclude and sign a collective bargaining agreement. (B) If after the expiration of the 90-day period beginning on the date on which bargaining is commenced, or such additional period as the parties may agree upon, the parties have failed to reach an agreement, either party may notify the Federal Mediation and Conciliation Service of the existence of a dispute and request mediation. Whenever such a request is received, it shall be the duty of the Service promptly to put itself in communication with the parties and to use its best efforts, by mediation and conciliation, to bring them to agreement. (C) If after the expiration of the 30-day period beginning on the date on which the request for mediation is made under subparagraph (B), or such additional period as the parties may agree upon, the Service is not able to bring the parties to agreement by conciliation, the Service shall refer the dispute to a tripartite arbitration panel established in accordance with such regulations as may be prescribed by the Service, with one member selected by the labor organization, one member selected by the employer, and one neutral member mutually agreed to by the parties. The labor organization and employer must each select the members of the tripartite arbitration panel within 14 days of the Service’s referral