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Penny production ceased in November 2025. Since then, six states have enacted cash rounding legislation, each with a different rounding methodology, enforcement model, and scope. There is no federal standard. Centsless covers all six enacted states and resolves the correct rule for every transaction automatically.

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Enacted state legislation

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Key compliance rule

All six states require sales tax to be calculated on the pre-rounded amount, not on the rounded cash total. Centsless enforces this automatically: the tax_total_cents you submit is never modified, and the rounding_delta_cents in the response reflects only the adjustment to the subtotal.

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Enforcement models

The enacted states use three different enforcement models:
  • Mandatory — rounding is required by law (Arizona). Non-compliance is a violation.
  • Permissive — operators may round but are not required to (Indiana, Washington).
  • Voluntary — the state provides a safe harbor for merchants who round correctly (Tennessee). Rounding is optional but if you round, the statutory method applies.
New Mexico and Utah have narrow scope laws that apply only to specific transaction types. Centsless resolves these automatically based on the jurisdiction database.
Centsless tracks 55+ bills across 35+ states with pending or proposed legislation. The jurisdiction database updates automatically when new legislation is enacted — no action is required on your part to stay compliant as new states are added.