johannesburg south africa main opposition party say sunday ask high court force president jacob zuma disclose much state spend legal fee fight corruption allegations democratic alliance da federal council chairperson jam selfe say statement opposition party ask court direct president write parliament within five days confirm total amount spend da walk parliamentary session address zuma nov. protest potential cost public purse legal fee zuma fail answer question much spend since may 2009 defend 783 corruption charge drop national prosecute authority npa run presidency avoid question da believe president deputy speaker lechesa tsenoli preside time allow president zuma avoid question act unlawfully unconstitutionally selfe say give taxpayer likely foot bill president legal cost full amount spend reveal public interest south africa high court reinstate 783 charge last year supreme court uphold decision october reject appeal zuma 75-year-old president still try prevent npa file charge south africa 's opposition ask court force disclosure zuma 's legal cost