Amendment 0001 posted on Thursday, June 4, 2026 extends the closing date/time to Wednesday June 17, 2026 at 11:00am ET. The Library of Congress (LOC), Federal Library and Information Network (FEDLINK), is seeking proposals from vendors for Electronic Resources. This solicitation will result in multiple-award Indefinite Delivery, Indefinite Quantity (IDIQ) contracts with a 12-month base period, and four option periods. Questions regarding this solicitation are due by 12:00pm Eastern time on Wednesday, May 27 , 2026 . Answers to all questions received will be provided via an amendment to the solicitation. Proposals are due by 11:00am Eastern time on Wednesday, June 10, 2026 . Please reference this solicitation number in all emails regarding this opportunity. Offerors are advised to closely review Sections L & M for instructions on proposal format and the evaluation factors for award. All future information about this acquisition, including proposal amendments, will be distributed through SAM.gov. Interested parties are responsible for monitoring SAM.gov to ensure that they have the most up-to-date information about this acquisition.