If the destination client has an existing chart of accounts, the source and destination clients' masks must match exactly — including the number and order of segments, the core and primary segments selected, separators and mask characters used, and the
Allow leading zeros
checkbox setting.
For multi-segment masks, if any of the source client's segments and segment codes do not already exist in the destination client record, the application will automatically add them to the Account Segments screen for the destination client.