Notice of Designation of Longer Period for Commission Action on Proceedings To Determine Whether To Disapprove Proposed Rule Changes, as Modified by Amendments Nos. 1 and 2, Adopting NYSE Rule 107C To Establish a Retail Liquidity Program for NYSE-Listed Securities on a Pilot Basis Until 12 Months From Implementation Date, and Adopting NYSE Amex Rule 107C To Establish a Retail Liquidity Program for NYSE Amex Equities Traded Securities on a Pilot Basis Until 12 Months From Implementation Date