This is a community forum for technical questions & issues, for any questions related to pricing or licensing I would strongly suggest you to contact a trained Microsoft licensing specialist, or a Microsoft sales partner.
https://learn.microsoft.com/en-us/licensing/product-technical-support
http://www.microsoft.com/en-us/server-cloud/products/sql-server/buy.aspx
Microsoft® SQL Server® Additional Software License Terms and Information
https://www.microsoft.com/en-us/download/details.aspx?id=39299
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Best regards,
Leon