(1) Within 10 days after receiving a petition for arbitration, the incumbent LEC shall provide notification of the filing in writing to all other telecommunications carriers requesting interconnection, services or network elements from it and with whom it has not negotiated a binding agreement.

(2) Upon filing a petition for approval of a negotiated or arbitrated agreement, the incumbent LEC shall provide notification of the filing in writing to all other telecommunications carriers requesting interconnection, services or network elements from it pursuant to section 252 of the 1996 Act.