# Conformance - MII Implementation Guide Core Dataset Base v2026.0.0

## Conformance

This section defines the conformance requirements for systems implementing the MII Kerndatensatz Basis profiles.

### Conformance Requirements

* **[General Requirements](general-requirements.md)** - Common requirements for all MII actors, including conformance verbs, claiming conformance, using codes in profiles, and RESTful API requirements
* **[Must Support](must-support.md)** - Definitions and expectations for Must Support elements in MII profiles for both servers and clients
* **[Handling Missing Data](missing-data.md)** - Guidance on representing missing or unknown data in conformant resources

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For implementation guidance, see the [Guidance](guidance.md) section.

For technical artifacts, see the [FHIR Artifacts](artifacts.md) section.

