https://ttlc.intuit.com/community/charges-and-fees/help/what-is-a-service-code/00/25646
HOW DO I GET AN AFFILIATE DISCOUNT?
https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/get-turbotax-affiliate-partner-discount/L4ViVaZOr_US_en_US?uid=m9hx2p93