Co-owned city

Often friends who play together want to own a city together. For this purpose there are Co-owned cities. Co-owned cities are cities were multiple players, combine their land and are considered owners to the cities. The following conditions must be met to make a co-owned city. With a co-owned city, there are a few things that are treated differently.
 * 1) All the original conditions of a city must be met. (Townhall, 2,500 tiles etc.)
 * 2) One player Must have the Baron rank.
 * 3) All owners must be present, and agreeing to the foundation of the city.
 * 1) Taxes are divided equally between the owners.
 * 2) All owners can protect land inside the city's borders.
 * 3) Instead of expansions to the city being protected under the city name, it is protected under the name of the owner, therefore allowing admins and staff to distinguish which land was purchased by which owner.
 * 4) Expansions to the city on the forums, must specify which owner bought the expansion.