Typically, however, parties will provide for top-up provisions in their agreement, and specify in detail the conditions under which the grantor will be required to offer further assets should the value of the encumbered assets fall precipitously.
此外，这一规则通常延及担保资产由于自然磨损或市场状况而发生的正常贬值，只要这类贬值达到担保资产初始价值的一定百分比。