Forwardable tax brief · Identity / authentication

Bind document assertions to existing identity evidence without conflating them.

Why should I care?

Document identity and account authentication are related but separate.

What does not need to change?

Keep taxpayer, agent and workforce identity systems.

What can be piloted safely?

One synthetic attestation flow.

UD is proposed as a portable record and provenance layer. This brief does not claim authority integration, filing acceptance, tax correctness, legal sufficiency, compliance or institutional adoption.