Similar to claim but this would make the "city" become a public area. preventing anyone from claiming an area within its' vicinity.
The "Mayor" could be the one who made it, or changed to a voting system. The Mayor would have it so anyone can join the city, but it can be set to confirmation only.
Nobody will be able to build non liftable objects who are not members of the town.
To increase the claim size, any town member can use LP to purchase an extension, but it would not work the same as the regular claims. Instead, the character will receive a deed, which sets down a 5x5 tile "town zone" This would allow for more versatility than the north, east, south, west upgrade.