Although these protocols had remained in force even after the Xinhai Revolution, with the Beiyang government and the Mukden military clique in power, Chang Hsueh-liang, who succeeded in the Mukden military clique after "the Manchuria incident" (assassination of Zhang Zuolin, the Manchurian warlord, by the Japanese Army), ignored the treaty obligations and promoted the construction of railroads parallel to the South Manchuria Railway.
これらの条項は辛亥革命以後も北洋政府・奉天軍閥などに継承されたが、満洲某重大事件後に奉天軍閥を継いだ張学良が同条約を否認して併行鉄道の建設を推進した。