All communications hereunder shall be in writing and effective only upon receipt and (i) if sent to the Purchaser, will be mailed, hand delivered, couriered or sent by fax transmission or electronic mail and confirmed to it at Citigroup Commercial Mortgage Securities Inc., 390 Greenwich Street, 5th Floor, New York, New York 10013, to the attention of Paul Vanderslice, fax number (212) 723-8599, and 390 Greenwich Street, 7th Floor, New York, New York 10013, to the attention of Richard Simpson, fax number (646) 328-2943, and 388 Greenwich Street, 17th Floor, New York, New York 10013, to the attention of Ryan M. O’Connor, fax number (646) 862-8988, and with an electronic copy emailed to Richard Simpson at richard.simpson@citi.com and to Ryan M. O’Connor at ryan.m.oconnor@citi.com, (ii) if sent to the Seller, will be mailed, hand delivered, couriered or sent by fax transmission or electronic mail and confirmed to it at Walker & Dunlop Commercial Property Funding I WF, LLC, 535 Madison Avenue, 12th Floor, New York, New York 10022, attention: Carlos R. Piñeiro, Esq., Senior Vice President & Chief Legal Officer, phone: (212) 953-7302, and (iii) in the case of any of the preceding parties, such other address as may hereafter be furnished to the other party in writing by such parties.