This notice is follow–on to “Evolving Medical Practices Web–based Subscription“ RFI posted on 10 July 2025 and closed on 15 August 2025 without responses. In accordace with the authority of 10 United States Code (U.S.C.) 3204(a)(1) as implemented in FAR 6.103–1(b) Only one responsible source and no other supplies or services will satisfy agency requirements – “One responsible source“ and DFARS [phno? redacted]a)(1)(i) “Following thorough technical evaluation, only one source is fully qualified to perform the proposed work,“ “Evolving Medical Practices Web–based Subscription Service“ will be awarded on a sole source basis to Hayes/Symplr for renewal of the Medical Technology Web–Based Subscription from Winifred S. Hayes. This subscription is delivered via the web–based Hayes Knowledge Center database. Hayes has one of the largest proprietary web–based libraries of health technology assessments (HTAs) and genetic test evaluations (GTEs) in the United States, with a robust collection of topics, report types, and full–text reviews. Hayes is the only organization to offer the proprietary Hayes Ratings, the gold standard for evidence reviews. In order to develop program policy that allows beneficiaries to access new and emerging treatment, but does not expose them to untested, unsafe, or ineffective (unproven) treatment specifically excluded from coverage by TRICARE regulation, the DHA utilizes the following modules within the Hayes Knowledge Center: Evidence Analysis; Precision Medicine; and Horizon Scanning.