KEY POINTS
  • Hong Kong's legislative body will become "largely ceremonial" much like the one in Beijing, said Kurt Tong, former U.S. consul general and chief of mission in Hong Kong and Macau.
  • China on Thursday approved a draft decision that will alter the size and composition of Hong Kong's legislature and election committee.
  • Those electoral changes will follow the controversial national security law that China imposed in Hong Kong last year.

A former U.S. diplomat said China's latest move to tighten its control over Hong Kong will turn the semi-autonomous region's legislative body into something that's "largely ceremonial."

"I think what we'll see in the years ahead is that the legislative council ... will become a largely ceremonial organization — similar to the legislative apparatus in Beijing," Kurt Tong, former U.S. consul general and chief of mission in Hong Kong and Macau, told CNBC's "Squawk Box Asia" on Friday.