Does any buddy have idea about sqc-1 and sa 220

CA Saroj Kumar (Keen to learn something new every moments)   (2588 Points)

08 March 2014  
does any buddy have idea regarding what is difference between SQC1 " Quality control for firms that performs audits and reviews of historical financial information and other assurance and related services engagement and SA220 " Quality control for an audit of financial statements.