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Read the law yourself.

Every figure and rule on this site traces to one of these documents. Each has a plain summary and a link to the official text.

Federal law

The statute Congress passed, and the sections it relies on.

4 documents

IRS and Treasury guidance

How the IRS and Treasury are putting the law into practice.

10 documents

State law and records

State statutes and agency pages the site cites. Each state page lists its own records.

4 documents

Income tables

The numbers behind who qualifies.

1 document

Also cited

Other federal sections the site refers to.

2 documents

CEN SGO's own documents

CEN SGO's own policies.

1 document

Links checked September 28, 2026. Nothing on this page is tax or legal advice.