In 1930,the Shanghai Chamber of Commerce and trade guilds proposed to the municipal authority a bill stipulating that guild practice convention should be observed both within and outside the guilds.The bill was not approved by the Ministry of Industry and Commerce,and was rejected by chambers of commerce and guilds elsewhere.The main disagreements centred on the nature of the practice convention and whether they should be granted the same status as law.Finally,the authority approved the bill which recognized the status quo with regard to the practice convention.That was followed by a large sca...