China's 854 million internet users are now required to use facial identification in order to apply for new internet or mobile services.

The Chinese government announced in September that telecommunications companies will need to scan users' faces in order to verify their identities before they can access new services.

The new rule went into effect on December 1 and is part of China's wider efforts to keep close tabs on its citizens and monitor their activities and behaviors.

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Chinese citizens will now have to start using facial identification in order to sign up for internet services or get a new mobile number.

The Chinese government announced in September that residents applying for a new mobile or internet device will have their faces scanned by telecommunications carriers. The new rules went into effect on December 1.

China's Ministry of Industry and Information Technology (MIIT), which is the state agency responsible for internet and technology regulation, wrote that the decision was part of its moves to "safeguard the legitimate rights and interests of citizens in the cyberspace" and prevent fraud, according to Quartz.

Recent reports indicate that China has around 854 million internet users.

The new legislation will also ban residents from transferring their mobile numbers to other people. According to Quartz, China appears to be the first country to require facial ID to sign up for mobile and internet services.

The new legislation is part of China's wider efforts to keep close tabs on its citizens and monitor their activities and behaviors.

A promotional video shows an actor wearing LLVision live facial recognition smart glasses during a demonstration at the company's office in Beijing, China February 28, 2018. Thomas Peter/Reuters

Last month Chinese state media announced the development of a new "super camera," and artificial intelligence-driven 500-megapixel camera capable of identifying individual faces in crowds of tens of thousands of people in "perfect detail." State media said the device, which is five times more powerful than the human eye, could have "military, national defence and public security applications."

China last year also said it developed a new surveillance camera which could identify users based on their walking style and silhouette. The "gait recognition" technology has reportedly already been rolled out in several Chinese cities, including Beijing and Shanghai.

Read more: China has started ranking citizens with a creepy 'social credit' system — here's what you can do wrong, and the embarrassing, demeaning ways they can punish you

Chinese censorship and monitoring has soared under Chinese President Xi Jinping, and thousands of new censorship and surveillance initiatives have been issued every year.

In 2014, the Xi's government announced plans for its "social credit system," a vast, mandatory ranking system of all of its 1.4 billion citizens. According to China, the ranking system seeks to reinforce the notion that "keeping trust is glorious and breaking trust is disgraceful."

The plan, which has already been implemented in some cities, will be fully implemented in 2020. Blocking the sidewalk, jaywalking, fare evasion, and even loitering can lower your social credit score. Punishments for maintaining a low social credit score include being banned from taking trains, having your internet speed cut, and being publicly shamed.