When the One Big Beautiful Bill arrived as a 900-page unstructured document — with no standardized schema, no published IRS forms, and a hard shipping deadline — Intuit’s TurboTax team had a question: could AI compress a months-long implementation into days without sacrificing accuracy?What they built to do it is less a tax story than a template, a workflow combining commercial AI tools, a proprietary domain-specific language and a custom unit test framework that any domain-constrained development team can learn from.Joy Shaw, director of tax at Intuit, has spent more than 30 years at the company and lived through both the Tax Cuts and Jobs Act and the OBBB. “There was a lot of noise in the law itself and we were able to pull out the tax implications, narrow it down to the individual tax provisions, narrow it down to our customers,” Shaw told VentureBeat. “That kind of distillation was really fast using the tools, and then enabled us to start coding even before we got forms and instructions in.”How the OBBB raised the barWhen the Tax Cuts and Jobs Act passed in 2017, the TurboTax team worked through the legislation without AI assistance. It took months, and the accuracy requirements left no room for shortcuts. “We used to have to go through the law and we’d code sections that reference other law code sections and try and figure it out on our own,” Shaw said.The OBBB arrived with the same accuracy requirements but a different profile. At 900-plus pages, it was structurally more complex than the TCJA. It came as an unstructured document with no standardized schema. The House and Senate versions used different language to describe the same provisions. And th …
