Over my 20 years, I have seen people go back and forth on how this schedule is prepared. There is nothing in the instructions to clarify but I finally decided that my approach would be that for Corp No and Name of corporation, that should be the owner and then when it asks "Shareholder of Corporation No.", this should be the subsidiary that is either being acquired or disposed. I am now at a new company and see that the outside firm put the subsidiary as the Corp No and Name of corporation. This return is prepared by Big 4. Please let me know what you do and help settle this debate.