Governance

Large online platform

Public-facing digital service with ≥1,000,000 California users yearly.

How jurisdictions differ

What is distinctive in each definition, binding law in force first.

Jurisdiction	Instrument	Status	What is distinctive
California, United States	California AB 2655 - Defending Democracy from Deepfake Deception Act of 2024	In Force	This definition explicitly lists examples like social media, video sharing platforms, search engines, and advertising networks, and ties the term to removal, labeling, and reporting obligations during election periods.
California, United States	California AB 2713 — California AI Transparency Act: System Provenance Data	Awaiting Entry	This definition narrows the term to regulated service providers whose distributed content triggers detection, disclosure, and preservation duties for AI provenance signals.

What it triggers

In California, under AB 2655, large online platforms must block or label deceptive AI-generated election-related content during election periods.source
Under California AB 2713, large online platforms must detect, disclose, and preserve certain provenance signals tied to content they host.source

Definitions (2)

Any public-facing website, web or digital application (including social media, video sharing platforms, search engines, and advertising networks) that had at least 1,000,000 California users in the preceding 12 months and is therefore subject to the statute’s removal, labeling, and reporting obligations.

Defending Democracy from Deepfake Deception Act of 2024 (AB 2655)Definition 1 of 2

A large online platform is the regulated service provider whose distributed content triggers the statute’s provenance duties. The law requires such platforms to detect, disclose, and preserve certain provenance signals tied to content they host.

Assembly Bill No. 2713Definition 2 of 2

Not to be confused with

covered platform

Covered platform refers more generally to platforms meeting revenue or user thresholds, while large online platform specifies California user counts and particular services.

large network platform

Large network platform involves scale, complexity, and societal-impact thresholds, unlike the user-count focus of large online platform.

Large Service Platforms (LSPs)

Large Service Platforms (LSPs) are defined by a user threshold with enhanced obligations, similar but not identical to the specific duties under these statutes.

Questions and answers

What duties apply to large online platforms under California AB 2655?

Large online platforms must block or label deceptive AI-generated content related to elections during election periods. This applies to websites, apps, social media, video sharing platforms, search engines, and advertising networks with at least 1,000,000 California users in the preceding 12 months.

How does AB 2713 define large online platforms and their obligations?

It defines them as regulated service providers whose distributed content triggers the law's requirements. They must detect, disclose, and preserve provenance signals for certain hosted content.

What makes a platform a large online platform in these California laws?

Both definitions hinge on having at least 1,000,000 California users yearly and being public-facing digital services like websites or apps. AB 2655 adds election-specific duties, while AB 2713 focuses on AI provenance transparency.