# [Acceptable Use](https://trymumm.com/trust/acceptable-use)

_Last updated: 2026-09-10_

## You can use Mumm for

- Negotiating any commercial transaction in good faith
- Personal bills, purchases, services
- Business-to-business negotiations within your authority

## You cannot use Mumm for

- Anything illegal
- Negotiating taxes, child support, alimony, court-ordered payments
- Actively litigated claims
- Impersonating another person or business
- Negotiating on behalf of someone without their authorization
- Harassment, abuse, or threatening behavior toward merchants
- Submitting false information about yourself, the merchant, or the bill
- Using the service to extract information for non-negotiation purposes

## Grounds for account restrictions

- You repeatedly submit fraudulent or invalid requests
- You use the service to harass or abuse merchants
- You attempt to circumvent our payment system to avoid fees
- You violate the Terms of Service
- We're legally required to

## Reporting misuse

- If you believe someone is misusing Mumm, email abuse@mumm.com
- We investigate reports within 5 business days