Coverage Validation

What's possible

Build government systems on the law

Check a workflow Reconcile primary sources

Ground AI models in citable law

Ask about benefits and taxes

Power products on rules you don't rebuild

Simulate policy on real rules

Explore benefits cliffs Simulate household impacts

Axiom Citations Slides

Team Get started

loading…

Computable law for all.

Open, machine-readable encodings of the world's rules — starting with tax and benefit policy.

Product

Axiom platform
Demos
Coverage
Validation
Citations
Documentation

Foundation

About
Team
Blog
Privacy

Connect

Contact
Get updates
hello@axiom.org

© 2026 Axiom Foundation · Doing the public-interest work

Open infrastructure for encoded law

us/form/irs/ty2021/p526 — Publication 526 (2021), Charitable Contributions · Axiom

Axiom
US Federal
Form
IRS
Ty2021

Publication 526 (2021), Charitable Contributions

26 sections

Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26