How is the number of games per Bledisloe Cup schedule decided?

The number of games in the Bledisloe Cup schedule is primarily determined by the agreements between the Australian and New Zealand Rugby unions, considering factors such as international rugby calendars, player welfare, and fan engagement. Typically, the series consists of two or three matches each year, with the format subject to change based on the Rugby Championship schedule or other international commitments. Additionally, logistical considerations and historical precedents also play a role in the final decision on the number of matches.