Has anyone used the Bilateral Agreement to stay another 90 days in Spain?

Update: Updated guide on using the bilateral agreement law

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By using the bilateral agreement, you can stay in certain countries for 90 days after using your 90 Schengen days in the EU. I successfully did it in Denmark and now want to try it for Spain.

I wrote a detailed guide on it 6 months ago: https://www.reddit.com/r/travel/comments/sz12lv/guide_to_legally_stay_past_90_days_in_the/?utm_source=share&utm_medium=ios_app&utm_name=iossmf

It’s a long post but the tl:dr version is that it works for these countries according to anecdotal data:

Summary:

• ✅Denmark
• ✅Poland
• ❌ France
• ❌ Spain
• ❌ Portugal

✅ = It works

❌ = It doesn’t seem to work

Spain didn’t seem to honor the bilateral agreement according to 1 guy who actually called the embassy. My post linked to his post:

https://www.reddit.com/r/travel/comments/qalolt/has_anyone_used_usaeu_bilateral_visa_agreements/?utm_source=share&utm_medium=ios_app&utm_name=iossmf

But this is just 1 anecdotal data point, so I’m wondering if anyone else actually tried calling or actually implementing it?