According to Trump, he received approval for a sign from Chicago Mayor Richard M. Daley's administration in 2009, but renegotiated with Mayor Rahm Emanuel's administration. In October 2013, Trump received approval to erect stainless steel letters back-lit with white LED lighting spelling out TRUMP on the 16th floor of the building. He made his impending plans for the sign public in February 2014. According to a city planning department spokesperson, standard protocol for such a sign is to require approval from the local alderman (Brendan Reilly, 42nd ward) and the full Chicago City Council. The five letters span a width of approximately , making the final approved version approximately , according to some sourcesrather than the originally proposed size. The sign is about above ground level.