Blog Posts
The GST rule your receipt scanner doesn't know exists
- ACJ Labs
- Tax,Engineering
- 23 Jul, 2026
A restaurant receipt and a client dinner look identical to an OCR tool. Under Australian GST rules, they aren't: entertainment expenses have their input tax credit (ITC) denied by default — GST was…
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AI product classifiers hand you category IDs that don't exist. Here's how we stopped ours.
- ACJ Labs
- Engineering
- 23 Jul, 2026
Ask a capable AI model to classify a product into Google's Product Taxonomy and it will do something unsettling: return an ID that looks completely valid — right format, plausible category name — and…
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