After the establishment of the Republic of China, it was transferred to the Foreign Ministry. Just like the Nanking Treaty which decided the fate of Hong Kong, this Sino-Portuguese treaty has been kept in the ministry all these years.
如同決定香港英屬地位的重要文獻《南京條約》一樣，《中葡北京條約》封存於外交部一世紀，直到主權轉移之時。