I think the city has already been doing that... Operation Move the deck chairs
Obama cites the school busing program (used to integrate schools by rezoning white students to black schools and vice versa) to declare that cities must integrate the same way.
Obama then directs the IRS to only accept tax forms from people if they contain the government-assigned zip code for the household. Otherwise, the tax form is rejected and the family is fined or jailed for not filing income taxes.
Move or go to prison.
-PJ