Loan Repayments Table 5 Million Dollar Loan Start A Business 700000 mortgage commercial interest definition commercial Interest Reference Rates | EXIM.gov – commercial interest reference rates; commercial interest reference rates. About cirr rates; prior CIRR Rates;. As per the definition of the International Commission on Large dams (icold). icold defines a large dam as a dam with a height of 15 m or more from the foundation.