Confidential information entered by a customer registering at a place of business or the like is protected by a customer registration method wherein a plurality of sequentially identified registration labels detachably attached to a first substrate are provided at a first location accessible to customers. A registration log having at least one second substrate with a plurality of sequentially identified spaces is located out of customer view at a second location. After a customer enters information on one of the labels at the first location, the label is detached from the first substrate and attached to a sequentially corresponding space on the second substrate.