When two or more sailing clubs/organizations schedule a regatta on the same date, who takes priority or who gets to use the date or do all three use it and divide the participation? This sounds like a job for a clearing house? How about NAMSA? I bet they could do this.
Let's assume that the clearing house organization has a large blank calendar hanging on the wall. Every group who wants to put on a race has to contact NAMSA to get their race date approved. When there is a conflict for a race date in the same area of the country for the same group of boats, NAMSA notifies the parties immediately. The parties are given a short period of time to solve the problem on their own. If this can't be done, then NAMSA makes a selection based on a set of known/established ground rules for selecting regatta dates when there is conflict between groups. How about it NAMSA?
Bill