Get your taxes done using TurboTax

Normally when you use a partner discount portal, one would need to go there each time and file from the discounted site.   That's how it knows to apply the discount.

See this FAQ:
https://ttlc.intuit.com/questions/2824053-how-do-i-get-my-turbotax-affiliate-partner-discount

Here's how to discuss it with TurboTax Support, but as the FAQ above indicates, they may not be able to do anything after filing.