Effective date: July 13, 2026.
Informational use
This site provides general information and calculation tools. It is not legal, tax, accounting, or financial advice and does not create a professional-client relationship.
Official rules control
Government guidance and law control eligibility, timing, local tax treatment, and transaction rules. Retailer systems can also make mistakes. Check the linked official source before relying on a page for a large or borderline purchase.
No guarantee
We work to keep information current but do not guarantee that every state page is complete, error-free, or updated immediately after a rule changes. Search rankings, traffic, savings, and retailer compliance are not guaranteed.
Acceptable use
Do not use the site to interfere with service, collect data at unreasonable scale, submit unlawful material, or misrepresent this site as a government service.