From earliest times, the area around the salt spring was called Der Haal. The spring was called Der Haal Brunnen. The crude buildings that housed one or two salt processing pans were called Der Haalhaus. Bt the 1380s, the administration of the area was carried out by the Haal Masters (also called Viermeister) who operated from the HaalAmt. The new HaalAmt was build following the 1728 Fire. One or two generations after the earliest Stammsieder, there were so many Salzsieder with boiling rights that it became difficult to decide who to equally share portions of salt pans. The solution developed in the 16th century was the Loß System. Children of the owner of a pan threw lots to determine the order they got to use the Haalhaus, one user per year.