China appreciated the facilitation by Britain of the immigration rules for the Hong Kongers

China reserves the right to take "appropriate measures" in response to Britain's decision to simplify the procedure for obtaining a residence permit in the United Kingdom for residents of Hong Kong, said in a statement the Chinese Embassy in the UK.

The UK authorities on the background of the adoption in China of a law to ensure national security in Hong Kong said Wednesday on simplifying the procedure of obtaining a residence permit in the United Kingdom for Hong Kong residents who received passports of citizens of the British overseas territories.

"If the British side will make a unilateral change in practice, it would violate its own positions and commitments, as well as international law and basic norms governing international relations. We strongly oppose this and reserve the right to take appropriate measures," - said in a statement on the Embassy website.

Yesterday it was reported that China's Ambassador to the UK Liu Xiaoming called to the British foreign Ministry after the accusations against China of violating sovereignty. Earlier, Prime Minister Boris Johnson said that the law on the protection of national security of Hong Kong violates the provisions signed by Britain and China of the Declaration on the autonomy of the region.

Chinese President XI Jinping signed a decree on the entry into force on 30 June of the law on the protection of national security of Hong Kong. Earlier, the standing Committee of vsekitajsky meeting of national representatives endorsed the law. PC NPC also decided to include the law in Annex III of the Basic law of the Special administrative region of Hong Kong.

The bill on national security caused discontent of anti-government forces in Hong Kong and some Western officials who see it as a desire by Beijing to tighten control over the autonomy.

Hong Kong came back into the possession of China from Britain in 1997, and has since enjoyed wide autonomy. The Central government of China adhere to the principle of "one country, two systems" in the management of the district. According to the joint Declaration of great Britain and China, Hong Kong will retain broad autonomy until 2047. How will be managed the former British colony after that date are still unknown.