In addition to the regular attributes, you can import the following attribute transactions as appropriate based on the method (Straight line, Actual, or Custom):
Amortizing Setting (Amortizing, Accreting, or None).
Amortization Half-Month Convention
Amortization Periods (Number of Periods)
Amortization Start Period
Amortization Start Date
Amortization End Date
Amortization Original Amount
CSV import file format:
Period Number, Amount (one per line). The file does not require headers.