The rules give Europeans more control over their personal data.
Penalties for non-compliance are significant (up to Euro 20 million or 4% of total annual worldwide turnover).
Facebook CEO Mark Zuckerberg testified for two days in front of congressional committees a few weeks ago, expressing regrets and outlining steps they've taken to secure personal data and avoid a repeat.
Under GDPR, users also are gaining new rights to download their data and move it to other platforms.
However, the subsidiary of Facebook has suspended the change made in European laws after conducting a thorough regulatory inspection.
No impact on Facebook from privacy scandal, profits up in first quarter
This was 50 per cent up on the $7.85 billion reported in Q1, 2017, but was a drop of $984 million on Q4, 2017. And despite a buzzy "DeleteFacebook" online campaign, both daily and monthly user numbers increased.
Facebook chief executive Mark Zuckerberg, during congressional testimony this month, said his company would apply the European standards to U.S. users.
Facebook itself is under scrutiny from regulators and lawmakers around the world since disclosing last month that the personal information of millions of users wrongly ended up in the hands of political consultancy Cambridge Analytica, setting off wider concerns about how it handles user data.
Right to access: The GDPR also enhanced the right of access.
Facebook, which has a separate data policy, is taking a different approach to users aged between 13 and 15. GDPR requires companies to report data breaches to the relevant regional authority within 72 hours of discovery, yet 41% of ITDMs believe they could not achieve this today. Two weeks ago, Instagram announced that it would be rolling out a data download feature, which it said Tuesday is now available for the web only via this link.
The company provided to further details on changes in the age verification process for new users.