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TransactionalBilling & payments

Rounding explained email template

A one-penny discrepancy explained rather than ignored.

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Illustrative example. Replace the fictional sender, dates, amounts, locations, and account details before use.

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Rounding explainedIllustrative preview
Rounding explained email template preview

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A reviewed browser rendition of the rounding explained structure. It is not a send receipt or an inbox-placement claim.

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Message anatomy

A useful starting point, with the important parts named.

Tax is calculated per line and rounded, so line totals can differ by a penny from tax on the total. Everyone does this; few explain it.

What you can change

  • Brand name
  • Subject line
  • Preheader
  • Eyebrow
  • Headline
  • Supporting copy
  • Primary action label
  • Primary action URL

What to keep clear

  1. State or event context
  2. Plain-language explanation
  3. Three labelled facts
  4. Primary and secondary action
  5. Support or privacy footer

Complete starting copy

Read it as text, not only as a picture.

Sample details are fictional. Replace them with reviewed customer and event data before use.
From
Hemingbrough Rounding
Subject
Why your invoice is a penny out
Preheader
Tax rounding, and it will not compound.

Rounding

One penny, and here is exactly where it comes from

Tax is calculated per line and rounded, so line totals can differ by a penny from tax on the total. Everyone does this; few explain it.

Difference

£0.01

Cause

Per-line tax rounding

Compounds

No

See the calculationAsk us to reissue
We will reissue with the rounding the other way if your accounting system objects. It happens more often than you would think.

Moosewave MCP

Give an agent the structure, the job, and a stopping point.

A compatible MCP app can inspect this reference and create a separate workspace draft when it has permission. The brief cannot send.

The brief asks for a new draft and stops before send.

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Connected work

Take the design beyond the canvas.

Transactional email APIConnect the message to a real product event and keep its outcome visible.IntegrationsCarry the right customer and event context into the draft.SecurityKeep account, access, and recovery boundaries explicit.MCP for agentsAdapt presentation without quietly changing the event being explained.

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