催繳通知
house call
經紀行對委托人在抵押賬戶上的資產低於維持水平時而發給委托人的通知。如果賬戶上的資產下降到某一水平點，經紀人按要求通知委托人增加抵押現金或證券。如委託人不能按要求支付，該委托人的地位將被取消。
Brokers for mortgage principal assets in the account is below the maintenance level from time to time by notice to the owner. If the assets on the account falls below a certain level of points required to notify the principal agent to increase mortgage cash or securities. As the principal can not be required to pay the principal's position will be canceled.