Document line (the confirmation paper) is located at Others line (Parent line). About the Tax Office's call, as you see the Officer line is hidden. I think you will get an answer in Zi month, which starts on Dec 7. The clash from Zi is useful here.
Gmuli uses the Shen and Si Branches, which I agree. The day will likely be a Shen and Si Day, but I think it will not be so quick within the Zi month, because the Officer line comes with Flying Serpent.
Tientai, did you pay the taxes in Wu month? And when do you think that they will call for the confirmation paper?