歧不歧視不是他說了算，放心沒有法律效力。你寫個email存檔，reiterate my reason for rejec

rejecting application was that my apartment did not meet the minimum qualification requirements for section 8 Client. It was absolutely not because of a double standard for different categry of clients.  My company follows all laws and regulations of equal treatment for all people regardless of countries of origin. It is our guiding principle to serve diverse clients of our city. 
切，把大話扔過去，留底。誰怕誰啊。