Fixed Asset Tax Book

Hi

We set up a corporate asset book in Jul-13 with montly depreciation. Our tax department has now asked us to set up a tax book. Can we set up the tax book and link it to the existing corporate book if the first period for the tax book is going to Jul-13 and the current period in the corporate book is Jun-14?

We are currently managing the tax book in an excel workbook and the assets have been summarised i.e. there are less assets in the tax book than the corporate book but asset cost is the same in both books. As a result I cant use the initial mass copy functionality to copy the asset data in to the tax book. Is it possible to use Web ADI to upload the asset data into the tax book if the tax book is linked to the corporate book. Going forward can we then use the periodic mass copy functionality to copy the