Tax Book - Mass Copy query

Summary: Asset Tax Book Copy requirement

Content (please ensure you mask any confidential information)

Hello - we have recently in August gone live. As part of Data Migration we loaded Assets in to Corporate and Tax Books. We used Mass Additions. Due to balances and migrating data as seen in legacy systems to we loaded assets into both books separately. We loaded the same assets but set to the tax books etc. The reason we did this is we could not use Mass Copy as we needed the Life in years etc to stay the same as the Legacy system. If we only loaded to the corporate books and used initial mass copy -