How to Prepare a Mixed Rate Service Invoice
Verify rate authority, group approved time and reconcile multi-rate lines without replacing them with an unapproved blended charge.
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At a glance
Verify rate authority, group approved time and reconcile multi-rate lines without replacing them with an unapproved blended charge.
Best for
Service teams preparing one invoice containing several hourly rates.
Evaluation method
Reviewed 2026-10-02
Original service-billing worksheet and fictional worked example. Workflow reviewed October 2, 2026; not a claim about measured customer outcomes. Approvals, payment allocation, client portals, and tax decisions remain separate from scheduled delivery.
Using InvoiceAgent
After approvals and amounts are checked, use InvoiceAgent to prepare and schedule invoice delivery.
Illustrative example
A reviewed mix and one held category
- Approved design
- 10 h × USD 100 = USD 1,000
- Approved development
- 5 h × USD 160 = USD 800
- Queried additional review
- 2 h held pending rate authority
- Ready hourly subtotal
- USD 1,800
- Release check
- Two approved groups only
Fictional before-tax preparation; held work is not silently included in the ready total.
See the recorded product workflowDecisions to make before billing
Mixed-rate preparation starts with authority: which service category or person may be billed at which approved rate, for which period? A time export can identify hours without establishing that commercial basis. Confirm both before turning the data into invoice lines.
Group reviewed time on a consistent basis, retain source references and sum the rounded approved lines. A weighted internal rate can describe the mix, but it does not automatically replace the client-facing rates. Changes in the mix can alter the summary even when every individual rate stays unchanged.
The workflow also deals with disputed categories and separately priced changes. Keep their decisions visible rather than spreading an unsupported charge over otherwise approved groups. InvoiceAgent's preparation and delivery steps come after the time and rate review; this guide does not imply an automatic rate-approval feature.
Quick context
Section
Practical guides to scheduling invoices, writing reminders, and managing recurring client billing.
Best for
Service teams preparing one invoice containing several hourly rates.
Outcome
Use this page to move from general research into a calmer, more repeatable invoicing process.
Work through the billing decision
Map reviewed time to approval
Fix the service period and export version, then link each billable category to its agreed rate and any effective-date change. Separate missing approvals from ready groups.
Build reconciled lines
Use decimal hours consistently and describe what the client is paying for. Round line subtotals as required by the workflow, keeping fixed charges and expenses separate.
Compare the final draft with evidence
Match each line to its hours, rate and approval reference. Reconcile the service total and review the PDF. If a blended rate is requested, obtain approval for that actual billing basis first.
Preview the review checklist
Replace the bracketed fields with your client’s details. The download also includes the filled example shown on this page.
MIXED RATE RELEASE REVIEW [ ] Service period and time representation verified [ ] Export and approved hours fixed [ ] Every group has rate authority and effective dates [ ] Queried categories have owners and next decisions [ ] Fixed fees and expenses remain separate [ ] Line subtotals reconcile to the service total [ ] Blended summary labelled as internal unless separately agreed [ ] Draft PDF matches approved groups Reviewer / approval / unresolved item: [details]
Free resource
Keep the review checklist
Download the blank worksheet and filled example, then adapt them to your client agreement.
Download text fileWhere teams usually lose momentum.
Avoid this
Applying the latest rate to an earlier period
Check effective dates. A new rate approval does not silently replace the basis used for earlier service.
Avoid this
Hiding queried hours inside a group
Hold the unresolved quantity with an owner instead of burying it in a reviewed subtotal.
Move from reading about the workflow to running it.
InvoiceAgent is designed for the last mile of getting paid: scheduled invoice delivery, reminder timing, professional PDFs, and send-time FX conversion when global billing is involved.
Related topics
Find more guides and practical tools in the resources below.
Questions people usually have before changing the workflow.
Do all people in the same role share a rate?
Use the actual agreement. A role label is not sufficient evidence of a commercial rate.
What does a weighted summary tell me?
It describes the entered mix of hourly line amounts and hours. It is neither a new client agreement nor a pricing floor.
Can a rounded weighted rate reconstruct the total?
It can introduce a cent difference. Use the actual line subtotals as the billing amount and label the summary separately.
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