The so-called "sanitation law" restricted Chinese commercial activities to the sale of certain important products and forbade them to engage in more than one type of business. It also required that all fresh produce and meat be inspected and certified before Chinese could sell it in public markets.
所謂衛生法，是限定華人只能販賣某一種主要商品，不能混合經營；同時肉類蔬菜必須經過檢查、取得許可證後，才可在公營市場的攤位上販賣。