When you fill in journal lines to be posted to a depreciation book, you can have the program duplicate the lines in a separate journal, from which they can be posted to a different depreciation book.
Open the Depreciation Book Card window.
On the depreciation book card, select the relevant book, and click the Duplication tab.
Place a check mark in the Part of Duplication List field.
Close the window.
Fixed Asset Depreciation Setup
Defining Default Setup of Templates and Batches
Posting Entries to Different Depreciation Books