https://prateeksharma.me/tags/validation/ Recent content in Validation on Prateek Sharma Hugo en-us Sun, 02 Aug 2026 00:00:00 +0000 https://prateeksharma.me/open-source/india-itr-copilot-efiling-validator/ Sun, 02 Aug 2026 00:00:00 +0000 https://prateeksharma.me/open-source/india-itr-copilot-efiling-validator/ <p>While hand-building a government-schema ITR-3 JSON for AY 2026-27, importing it into the tax department&rsquo;s own e-filing utility, and correcting it against that utility&rsquo;s re-export, I found several bugs that passed the project&rsquo;s existing JSON-schema validation with zero errors the whole time: a capital-gains total that gets silently recomputed to zero on import if its detail schedule isn&rsquo;t patched alongside it, an exemption that actually belongs in a different section than the schema implies, a table that needs exact rather than approximate equality with another schedule, a negative carry-forward value from a zero-deduction claim, and a contact field left at a skeleton default.</p>