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@pk , @Carl Thank you both for your response.  Yes, these are residential properties depreciated over 27.5 years.  One of my challenges is TTX Business will not allow you to put a service date for a property that is before the start date of your company.  You will receive an error message. In my case, all but 2 of my 7 properties were put in service before the start date of the company.   The other challenge is the Prior Depreciation calculated by TTX Business does not match the calculated Prior Depreciation shown on my Federal Depreciation Schedule.  It will allow you to override the calculated prior depreciation and input your own amount.  If I use the my Federal Depreciation Schedule Prior Depreciation amount from previous years and override the TTX Business calculation, then the annual depreciation calculated by TTX Business is inaccurate.  If I use the TTX Business calculated Prior Depreciation, the TTX Business annual depreciation matches my Federal Depreciation Schedule, but then my Federal Depreciation Schedule Prior Depreciation amount will not be correct for the 2018 tax year and subsequent years.  Any suggestions you may have would be appreciated.  Again, thank you both for the amount of time you've put into this