49 CFR §588.5

Each manufacturer, or manufacturer's designee, shall record and maintain records of the owners of child restraint systems who have submitted a registration form. The record shall be in a form suitable for inspection such as computer information storage devices or card files, and shall include the names, mailing addresses, and if collected, se-mail addresses of the owners, and the model name or number and date of manufacture (month, year) of the owner's child restraint systems.