NASA/Langley Research Center, Mail Stop 144, Industry Assistance Office, Hampton, VA 23681-0001

D -- WEEKLY ELECTRONIC SUBSCRIPTION SERVICE SOL 1-111-SLA-1030 DUE 111999 POC Lauretta E. Cole, Purchasing Agent, Phone (757)-864-2443, Fax (757) 864-9775, Email L.E.COLE@larc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/LaRC/date.html#1-111-SLA-1030. E-MAIL: Lauretta E. Cole, L.E.COLE@larc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 001 TO THE COMBINED SYNOPSIS/RFQ FOR WEEKLY ELECTRONIC SUBSCRIPTION SERVICE. Companies shall acknowledge all amendment(s) in their quote. This notice serves as the official amendment to subject synopsis/RFQ and a written amendment will not be issued. The purpose of this amendment is to CHANGE THE AUTHORITY OF THIS SOLICITATION TO READ: "AUTHORITY FOR THIS PROCUREMENT IS 10 U.S.C. 2304(C)(1), ONLY ONE RESPONSIBLE SOURCE AND NO OTHER SERVICES WILL SATISFY AGENCY REQUIREMENTS. The due date for receipt of offers is not extended. Companies shall provide the information stated in the synopsis/RFQ posted on the NASA Acquisition Internet Service (NAIS) on 11/4/99. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and reside on the World Wide Web (WWW) server which may be accessed using a WWW browser application. The Internet site, or URL, for the NASA/LaRC Business Opportunities home page is http://procurement.nasa.gov/EPS/LaRC/class.html Posted 11/08/99 (D-SN398987). (0312)

Loren Data Corp. http://www.ld.com (SYN# 0032 19991110\D-0010.SOL)