In a Start-Date Sunrise, a Registry Operator may Allocate or register domain names on a first-come, first-served basis or any other time-based Allocation or registration process, in addition to any other manner of Allocation or registration they desire. In an End-Date Sunrise, a Registry Operator must not Allocate or register domain names prior to the end of the Sunrise Period and must not employ a first-come, first-served or any other time-based Allocation or registration process.