Cash Flow Engine Reference Guide Cash Flow Dictionary Cash Flow Columns Negative Amortization Limit (NEG_AMRT_LIMIT) Data Verification Requirements and Suggested Defaults 8.2.89.3 Data Verification Requirements and Suggested Defaults If AMRT_TYPE_CD <> 600, NEG_AMRT_LIMIT = 0. If AMRT_TYPE_CD = 600, NEG_AMRT_LIMIT >= 0.