Abstract: A system and method for controlling registration for a social event comprising: receiving a request, at a server on a network, from a prospective attendee to register for the social event; determining based upon at least one attribute of the prospective attendee if the number of already registered prospective attendees plus the prospective attendee exceeds a predetermined limit for the at least one attribute, and if so cancelling the prospective attendee's registration; otherwise, determining whether the difference between the number of already registered prospective attendees plus the prospective attendee having the at least one attribute and the number of already registered prospective attendees having at least one other attribute exceeds a predetermined difference limit, wherein: if the difference is less than or equal to the predetermined difference limit, registering the prospective attendee to attend the social event; otherwise, suspending the prospective attendee's registration; notifying the prospecti