# Consolidated invoicing on PrestaShop: one monthly invoice instead of one per order

> The average delay equals half your consolidation period, which means fifteen days of cash flow on monthly invoicing. The measured effect, the payment-term framework that applies, and the five situations that get complicated.

- Page: <https://www.datafirefly.com/en/2026/10/04/consolidated-monthly-invoicing-prestashop/>
- Language: en
- Published: 2026-10-04
- Last updated: 2026-10-04
- Other languages: [fr](https://www.datafirefly.com/2026/10/04/facturation-consolidee-mensuelle-prestashop/index.md), [es](https://www.datafirefly.com/es/2026/10/04/facturacion-recapitulativa-mensual-prestashop/index.md), [de](https://www.datafirefly.com/de/2026/10/04/sammelrechnung-monatlich-prestashop/index.md), [it](https://www.datafirefly.com/it/2026/10/04/fatturazione-riepilogativa-mensile-prestashop/index.md), [pl](https://www.datafirefly.com/pl/2026/10/04/faktura-zbiorcza-miesieczna-prestashop/index.md), [nl](https://www.datafirefly.com/nl/2026/10/04/verzamelfacturering-maandelijks-prestashop/index.md), [pt](https://www.datafirefly.com/pt/2026/10/04/faturacao-consolidada-mensal-prestashop/index.md)
- Index: <https://www.datafirefly.com/en/2026/llms.txt>

A business customer who orders fifteen times a month receives fifteen invoices, which they must reconcile, approve and pay one by one. On your side, you track fifteen payments. Consolidated invoicing replaces all of that with a single monthly document.

The principle is simple. Its effects on cash flow and on customer acceptance are less so.

## What consolidation really changes

Three effects, of which the third is the most important and the least anticipated.

**Administrative workload drops on both sides.** One reconciliation instead of fifteen, one payment instead of fifteen, one reminder instead of fifteen in the event of non-payment.

**Tracking becomes readable.** One outstanding balance per customer, one payment schedule, a clear view of what is owed.

**The payment delay lengthens mechanically.** This is the point to understand before starting.

## The effect on cash flow

A calculation to run before any decision.

With per-order invoicing, a sale made on the 3rd of the month, payable at 30 days, is collected around the 3rd of the following month.

With a monthly invoice issued on the 30th, the same sale is invoiced 27 days later, then payable at 30 days, so collected around the 30th of the following month.

The average delay equals half your consolidation period. On monthly invoicing, count on fifteen extra days on average across all the orders concerned.

On B2B revenue of 50,000 euros per month, that represents roughly 25,000 euros of additional working capital, tied up permanently.

Two ways to compensate. **Shorten the payment term** on the consolidated invoice, negotiating 30 days from the invoice date instead of 45. Or **consolidate fortnightly** rather than monthly, which halves the delay.

## The payment-term framework

A point to know, because it frames what you can offer.

Under the EU late-payment rules as transposed in France, where the store in our example operates, the agreed term between businesses cannot exceed 60 days from the invoice date, or 45 days end of month if the parties expressly agree.

Periodic summary invoicing has its own treatment: the term runs from the date of the periodic invoice, and the applicable ceiling is 45 days from that date.

Two practical consequences. You cannot combine monthly consolidation with a 60-day term. And the statements on late-payment interest and the fixed recovery indemnity must appear on the consolidated invoice as on any invoice.

## The conditions for customer acceptance

Consolidation is not imposed, it is offered. Four conditions to meet.

**The detail must remain accessible.** A consolidated invoice without the order detail is unusable for the customer's accounting. Each line must carry the order reference, its date, and its content.

**Delivery notes must be reconcilable.** The customer validates receipts before paying. Without a clear match between invoice lines and deliveries, they cannot check.

**The issue date must be stable.** The last day of the month, or the 5th of the following month, but always the same. Accounting departments work in cycles.

**The format must be usable.** A PDF is enough for human approval, a structured file is needed if the customer processes invoices automatically. With large accounts, this question always comes up.

## What gets complicated

Five situations to handle explicitly, or you will hit blockages.

**The credit note mid-period.** Should a return on the 12th appear as a negative line on the month's invoice? Yes, that is the expected behaviour, and it requires your process to include the period's credit notes.

**The order straddling two periods.** Ordered on the 28th, delivered on the 3rd of the following month. Attribution follows the chargeability rule you have chosen, and it must be documented.

**The partial payment.** A customer disputing one line may pay the rest. Your tracking must handle a partial balance on a consolidated invoice, which not every setup does.

**The credit-limit overrun.** If you grant a ceiling, it is consumed throughout the month before being invoiced. Monitoring must cover orders not yet invoiced, not just unpaid invoices.

**The month with no orders.** No invoice is issued, which is normal, but your automated process must not produce a zero-value document.

## The accounting limits

Three points to validate with your accountant before rollout.

**Numbering stays continuous.** Consolidated invoices fit into your single sequence, with no unjustified parallel series.

**The VAT tax point** stays attached to each delivery, not to the date of the consolidated invoice. On an invoice issued early in the month for the previous month's deliveries, this can attach the VAT to an earlier period.

**Bank reconciliation** becomes simpler, one payment for one invoice, which is a real benefit.

One more point to anticipate: electronic invoicing imposes formats and mandatory statements that the consolidated invoice must accommodate. It is not an obstacle, but it is a parameter in your rollout calendar.

## Who to offer it to

Three cumulative criteria.

**Sufficient volume:** at least five to ten orders per month. Below that, consolidation brings nothing and costs payment delay.

**An established relationship:** the customer has a payment history, you know their behaviour. Consolidation increases your exposure between two invoicing runs.

**A request from the customer.** This is the best signal: a professional buyer asking for a monthly invoice is telling you their fifteen invoices cost them time.

Conversely, do not offer consolidation to a new customer, nor to a customer whose payments are irregular.

## The rollout

Four steps.

**Identify eligible customers** by counting their monthly orders over twelve months.

**Calculate the cash-flow effect** on that precise scope, not on your whole business.

**Offer it to three or four customers** first, collecting their format and date constraints.

**Extend** once the process runs smoothly, keeping per-order invoicing as the default option.

The  implements this on PrestaShop 8 and 9: consolidation per customer on a configurable period, order and delivery detail on every line, inclusion of the period's credit notes, per-customer activation rather than global, and monitoring of outstanding amounts on orders not yet invoiced.