Kammala jumla mai zuwa: Tun 1978, lokacin da ya gaji Charles W. Pickering, an zabi Retzer sau da yawa a matsayin shugaban jam'iyyar Republican Republican na Mississippi. A shekara ta 2004, an zabe shi a matsayin mai ba da kudi na
Taron kasa na jam'iyyar Republican, wanda ya hadu a birnin New York don sake zabar tikitin Bush-Cheney. A shekara ta 2001, an zabe shi a matsayin Kwamitin Kasa na Jam'iyyar Republican na Mississippi; Jim Herring, lauya daga Canton, sai ya zama shugaban na tsawon shekaru bakwai. A shekara ta 2002, an nada Retzer mai ba da kuɗin Jam'iyyar Republican ta ƙasa.