An eligible school, library, or consortium must pay the non-discount portion of services or products purchased with universal service discounts. An eligible school, library, or consortium may not receive rebates for services or products purchased with universal service discounts. For the purpose of this rule, the provision, by the provider of a supported service, of free services or products unrelated to the supported service or product constitutes a rebate of the non-discount portion of the supported services.
47 C.F.R. §54.523