South China Morning Post
https://www.scmp.com/news/hong-kong/hong-kong-economy/article/3270913/hong-kong-reduces-sellers-threshold-old-buildings-low-65
Hong Kong sellers’ threshold for redevelopment of old buildings cut to as low as 65%
Development minister Bernadette Linn hopes measures will take effect in mid-December, rejects concerns that move only benefits developers.