It is a provision in certain loan contracts that limits the quantity of negative quantity that can take place.

Description
A loan negatively amortizes when scheduled debts are paid that are less than the attention cost due on the credit at the time. When a transaction is made that is less than the attention cost due, deferred attention is created and added to the loan’s major stability, creating negative quantity. It is a negative quantity restricts states that the major stability of a loan cannot exceed a certain quantity, usually designated as a percentage of the original loan stability.
When a negative quantity restricts is reached on a loan, a recasting of the loan’s expenses is triggered so that a new quantity schedule is established and the credit will be paid off by the end of its phrase. A negative quantity restrict prevents a loan’s major stability from becoming too big, causing excessively huge transaction increases to pay back the credit by the end of its phrase. Credit score ranking adversely amortizes when structured bad financial obligations are compensated that are less than the interest price due on the cash at the time.