Model training clauses

Invoice data AI training: which billing vendors claim it

Updated 2026-10-28

Before a business licenses its invoices to an AI buyer, it should know whether its own billing vendor has already reserved the right to train on them.

Describe my invoice archive

Two that say they may

Chaser's terms grant it a licence over customers' materials so that it may train and improve its models, during and after the term and in aggregate or de-identified form. Square's general terms let it use content for developing, training, testing and improving products and models.

Source: Invoicing and billing software terms

The rest say nothing

19 of the 21 systems on our board do not address AI training in the terms we read. Silence is not a promise either way, so ask the vendor in writing before offering exclusivity.

Source: Invoicing and billing software terms

Does my firm qualify?

Each buyer's published terms, held against your firm.

What does your invoice archive hold?

Which systems, how many years, issued or received, and whether the business is trading, closing or being sold. We check it against the billing terms and invoice law here and reply in writing.

The archive in brief

How many years of invoices does the archive hold?

Is the business trading, closing or being sold?

Read against the billing system's terms
Customer names and bank details stay out
A short description, no invoice files

Sources

This site's own datasets, every figure quoted from its source and dated:

Who takes a company's invoices and bills: 2 of 5 organisations whose own pages we read name invoices, bills, receipts or payment records among what they take, read 28 October 2026.
The law on what an invoice carries and how long it is kept: 12 UK, EU and US rules on what an invoice carries and how long it is kept, read 28 October 2026.
Invoicing software data terms: 13 of 21 invoicing software vendors whose terms we read reserve the right to use their customers' data in aggregated or anonymised form, read 28 October 2026.

Tell us what your invoice archive holds

Which systems, how many years, issued or received, and whether the business is trading, closing or being sold. We check it against the billing terms and invoice law here and reply in writing.

Describe my invoice archive