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Tax AI Harness

Explained Weekly

Most of what's said about AI in tax is either too vague to be useful or too technical to read.

Tern

I'm Hawras Bapeer. Together with Tern — my intern robot — we write Tax AI Harness for tax and finance professionals who are skeptical of the hype and short on time.

This page exists so I can share the documents and manuals that LinkedIn won't let me attach.

Newsletter drops every Tuesday in your inbox. 5 minutes to read, ready to show off by lunch. Or impress your date. Results may vary.

+300
Newsletter subscribers
9 yrs
In transfer pricing
Hawras Bapeer, transfer pricing professional and author of Tax AI Harness newsletter
Hawras Bapeer
Passionate about where Transfer Pricing meets Technology.

Nine years in transfer pricing. Eight at a Big Four, now in-house at a fast-paced online payments platform. I've reconciled Local Files at 2am before filing deadlines, and I've watched AI quietly change what's possible in this work.

Most AI commentary in tax comes from people who understand AI but have never filed Local Files at 2am, or from tax people who have never built with the tools. I've done both. That overlap is my happy place.

The newsletter is my attempt to explain what's real, what's hype, and what you and your team can actually do.

Learn more about me →
The Kits

Three short manuals.
Use them today.

The same three kits I send colleagues and friends who ask where to start with AI in tax. Enter your email — I'll send the link.

Tern#
# Local File
## Entity
- Jurisdiction
- Functions
## Transactions
| Party | ... |
Convert any document to Markdown
Word, PDF, scans — all of it.
  • The three-tier conversion workflow
  • Settings that preserve tables and footnotes
  • Before/after on real tax documents
PDF · 14 pages20 min read
Tern> brain init
~/tax-brain $
obsidian sync
✓ 47 notes
syncthing start
✓ mobile OK
Perspiciatis unde omnis iste natus
Voluptatem accusantium doloremque.
  • Explicabo architecto rerum voluptatem
  • Consequatur temporibus perspiciatis
  • Accusantium doloremque laudantium
PDF · ?? pages?? min read
Tern
📁 Regulation
📁 Cases
📁 Clients
📁 Thinking
  ├─ drafts
  └─ memos
Quis autem vel eum iure reprehenderit
Voluptate velit esse quam nihil.
  • Nemo enim ipsam voluptatem quia
  • Adipisci velit sed quia non numquam
  • Tempora incidunt ut labore et dolore
PDF · ?? pages?? min read
Fit check
Who this is for

Tax and finance people who touch Word documents and Excel files on the daily and need to make a story out of it. Or those who read a whole load of information and need to make sense of it.

Who it isn't for

People who want AI to do their job for them. People who think “prompt engineering” is a career. People who prefer hype over honest trade-offs.