Updated: Aug 28, 2019
It said that the proposal was "quietly" agreed before Parliament's summer break and would give Ofcom the power to fine tech firms up to 5% of their revenues and/or block them in the UK if they failed to comply with its rulings.
The watchdog has said that it is ready to adopt the powers.
"These new rules are an important first step in regulating video-sharing online, and we'll work closely with the government to implement them," a spokeswoman told the BBC.
"We also support plans to go further and legislate for a wider set of protections, including a duty of care for online companies towards their users."
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