Customer-owned artifacts, exportability and rehearsed switching should be Dataheart product acceptance criteria.

The EU Data Act establishes contractual, technical and assistance duties for switching covered data-processing services.

Customer ownership reduces dependency on undocumented FDE knowledge.

Functional equivalence can be limited to shared features.

Highly customer-specific services may be exempt from some switching obligations.

Open-source components can still create operational skill lock-in.