Progress

Current status
adopted
01 Jan 2027 in force
13 Oct 2025 adopted
12 Sep 2025 adopted
11 Sep 2025 under deliberation
29 May 2025 under deliberation
02 Dec 2024 under deliberation

Scope

Implementers
United States of America
Policy Area
Consumer protection
Policy Instrument
Age verification requirement
Regulated Economic Activity
platform intermediary: user-generated content
Government Branch
executive
legislature
Government Body
central government
parliament
Implementation Level
subnational

Timeline of events

01 Jan 2027
in force

Social Media Warning Law enters into force (AB 56 / Chapter 671)

On 1 January 2027, the Social Media Warning Law, established by Assembly Bill No. 56 (Social Media: Warning Labels), enters into force in California. Codified under Chapter 25 of Division 20 of the Health and Safety Code, the Law requires covered so…

Source
Event type law
Action type implementation
Government branch executive
Government body central government
13 Oct 2025
adopted

Governor signed Act relating to mental health warning labels for social media platforms (AB 56 / Chapter 671)

On 13 October 2025, the Governor of California signed into law Assembly Bill No. 56 (Social Media Warning Law) as Chapter 671, Statutes of 2025. The Act requires covered social media platforms to display black-box warnings to users upon access, afte…

Source
Event type law
Action type signing
Government branch executive
Government body central government
12 Sep 2025
adopted

Act relating to mental health warning labels for social media platforms (AB 56) was adopted by California State Legislature

On 12 September 2025, the California State Assembly concurred in the Senate amendments to Assembly Bill No. 56 (AB 56), adopted the revised text, and ordered the measure to engrossing and enrolling. The final version, titled the Social Media Warning…

Source
Event type law
Action type adoption
Government branch legislature
Government body parliament
11 Sep 2025
under deliberation

Act relating to mental health warning labels for social media platforms (AB 56) was passed by California State Senate

On 11 September 2025, the California State Senate read Assembly Bill No. 56 for the third time, passed it, and ordered it returned to the Assembly. The Senate-amended version retains the Social Media Warning Law requiring covered platforms to displa…

Source
Event type law
Action type passage
Government branch legislature
Government body parliament
29 May 2025
under deliberation

Act relating to mental health warning labels for social media platforms (AB 56) was passed by California State Assembly

On 29 May 2025, the California State Assembly read Assembly Bill No. 56 for the third time, passed it, and ordered its transmission to the Senate. The Bill establishes the Social Media Warning Law under Chapter 25 of Division 20 of the Health and Sa…

Source
Event type law
Action type passage
Government branch legislature
Government body parliament
02 Dec 2024
under deliberation

Introduced Act relating to mental health warning labels for social media platforms (AB 56)

On 2 December 2024, a bill mandating mandatory mental health warning labels for social media platforms (AB 56) was introduced to the Californian Parliament. The Bill aims to inform users about the mental health risks associated with social media use…

Source
Event type law
Action type introduction
Government branch legislature
Government body parliament