A look at the two “specification proceedings” that the EU has opened on Apple under the DMA, instructing Apple on how to comply with interoperability provisions
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Context & Ripple Effects
These proceedings turn the DMA’s interoperability obligation into a concrete compliance process for Apple, following the Commission’s contemporaneous demand that it bring its operating-system practices into line with the rules. The issue is distinct from, but sits alongside, the EU’s earlier scrutiny of Apple’s anti-steering rules and developer fees.
The subsequent record shows why the procedural step matters: the Commission later issued an order to open iOS to third-party connected devices, which Apple then challenged. That sequence makes the specifications the operating layer between a broad DMA duty and enforceable product requirements.
First-order effects
- Apple must engage with two EU-led processes that define how iOS interoperability duties apply, increasing near-term compliance, engineering, and documentation demands around access for third-party connected devices.
- Third-party device makers gain a formal channel for the Commission to assess and specify the iOS access they need, rather than relying solely on Apple’s voluntary interfaces.
Second-order effects
- The proceedings create a clearer route from complaint to technical remedy, raising pressure on Apple to justify limits that it treats as necessary for its platform.
- A detailed specification process can become a reference point for other gatekeeper cases: regulators can move from general interoperability mandates to product-level obligations, as reflected in the later order covering third-party connected devices.
Third-order effects
- If this approach is sustained, the DMA could shift competition around mobile platforms from negotiating access with the platform owner toward regulated baseline interoperability.
- The eventual scope will remain contested: Apple’s later appeal of the interoperability order indicates that the line between mandated access and platform control is likely to be tested through enforcement and litigation.
The trend: EU digital regulation is moving from broad gatekeeper rules toward prescriptive, product-level interoperability requirements for major platforms.