This is a NOTICE OF INTENT to sole source for commercial items prepared in accordance with the format in Subpart 12.6 as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be issued. (ii) The solicitation number is 75N98026Q00456 and the solicitation is issued as a Notice of Intent (NOI) of a non-competitive (notice of intent) to award a contract or purchase order without providing for full or open competition (including brand-name). This acquisition is conducted under the authority of the FAR Part 12.603; Streamlined solicitation for commercial products or commercial services, and is not expected to exceed the simplified acquisition threshold, and the authority of 41 U.S.C. 1901 and the statutory authority of FAR 6.302-3(a)(2)(ii). The National Institutes of Health, Office of the Director, Office of Acquisitions, intends to negotiate and award a firm-fixed-price purchase order without providing for full and open competition (Including brand-name) to AB Sciex LLC 1201 Radio Rd REDWOOD CITY, CA 94065-1217 Phone: +1 (877) 740-2129 Fax: +1 (800) 343-1346 for a maintenance contract for the AbSciex two (2) QTRAP 5500 MS, One (1) QTrap 6500 and all its components including Shimadzu LC pumps and the mass spec software updates.