Somebody has to pay for the “refugees”
Many states had similar provisions until the Supreme Court ruled that they were unconstitutional.
Immigrants to the United States were ineligible for welfare for many years.
Now that is avoided by claiming refugee status.
http://www.reuters.com/article/us-europe-migrants-germany-idUSKCN12C066
As of Aug. 31 there were 210,0209 migrants in Germany who were required to leave