## Guides

- [Starting a tax preparation business in the agentic AI era](https://www.blacksparkcorp.com/blog/starting-a-tax-preparation-business-in-the-agentic-ai-era):
  Why tax preparation is the keystone founding service for new financial
  services practices, and how AI agents make an agent-first practice
  viable from day one
- [T1 intake, run by an agent — for firms on Karbon](https://www.blacksparkcorp.com/blog/karbon-t1-intake-ai-agent):
  How accounting firms on Karbon can put an AI agent on T1 intake with
  Armada T1 — portal document pickup, validated tax records with
  provenance, and automated follow-up requests for missing information
- [T1 client intake for accounting firms](https://www.blacksparkcorp.com/blog/t1-client-intake-accounting-firms):
  What a T1 intake process has to do, six capabilities that separate intake
  software from document storage, and why governed infrastructure is what
  makes agent-run intake safe
- [Why not just point an agent at the intake folder?](https://www.blacksparkcorp.com/blog/why-not-just-point-an-agent-at-the-intake-folder):
  Seven questions that separate a weekend agent demo from a production
  tax intake: schema, fabrication, provenance, state, permissions,
  completeness, and handoff
- [Canadian tax preparation software in the agentic AI era](https://www.blacksparkcorp.com/blog/canadian-tax-preparation-software):
  How firms should evaluate tax software as AI agents enter tax workflows
- [TOSI rules: a preparer's guide](https://www.blacksparkcorp.com/blog/tosi-rules-everything-you-need-to-know):
  The tax on split income rules, excluded amounts, and intake-stage screening