# Terms of Service > The Flash DSM user agreement: subscriptions and credit expiry, refunds, who owns AI-generated design systems, acceptable use, and liability limits. - Source: https://flashdsm.com/terms - Site: Flash DSM (https://flashdsm.com) - Updated: 2026-08-03 --- ## Summary Terms of service. Users own both their input and the design systems generated for them, with no attribution required. Polar is the merchant of record. Subscription credits expire after two months and purchased credit packs after twelve. Consumers in the EEA and UK keep their local mandatory protections.