Acceptable Use Policy

Last updated 4 May 2026.

This policy sits alongside our Terms of Service and Privacy Policy. By using LetLedger you agree to these rules. Breach them and we may suspend or terminate your account.

1. Use the service for what it's for

LetLedger is bookkeeping software for UK landlords. Use it to manage your own rental records. Don't use it as a generic data-processing pipe for anything else.

2. Data you upload

You confirm that:

• You have the right to upload the data (it's yours, or you have permission).
• The data does not contain anyone else's personally-identifying information beyond what's normal in a bank statement (a counterparty name on a transfer, an agent's company name).
• You understand that transaction descriptions and amounts are sent to a third-party AI provider (see Privacy Policy).

Don't upload: medical records, employee payroll data unrelated to a let, anything covered by special-category UK GDPR rules, anything subject to legal hold or NDA you can't share.

3. Don't do this

• Don't break the law. Tax fraud, money laundering, sanctions evasion — not here.
• Don't try to break the service. No probing, no automated scraping beyond a reasonable rate, no attempts to bypass authentication, no exploit attempts. Authorised security researchers can email hello@letledger.uk first.
• Don't try to break the AI. Don't upload prompt-injection payloads designed to manipulate categorisation outputs for someone else's account. Don't upload content designed to extract our prompts.
• Don't share your account. One account per person. Use a separate account for each user.
• Don't reverse-engineer or republish the service. No scraping our pages or our generated SA105 PDFs to feed a competing service.
• Don't impersonate. Sign in with an email you control.
• Don't upload illegal content in any field. Receipt images that are obscene, unlawful, or infringing will be removed and the account suspended.

4. Reasonable use

The service is metered by good-faith use, not hard rate limits. If you're uploading volumes that look like a different product (10,000-row CSVs, automated multi-account uploads) we'll get in touch first before taking action.

5. AI output is yours to verify

The AI categorisation is a suggestion. You are responsible for what you submit to HMRC. See Disclaimer and Terms.

6. Reporting abuse

Email hello@letledger.uk with details. We respond to credible reports within a reasonable time.

7. Consequences

If you breach this policy we may, at our discretion: warn you, suspend your account, terminate your account, delete your data after a notice period, and report illegal activity to the relevant authorities.

8. Changes

We may update this policy. Material changes take effect 14 days after we post the updated version at this URL.