Under the Sarbanes-Oxley Act,the Decision Whether to Have a Concurring

Under the Sarbanes-Oxley Act,the decision whether to have a concurring audit partner on an audit engagement,in addition to the lead audit partner,is:

A) A decision that solely is made by the audited company's Audit Committee
B) A decision that is made solely by the lead audit partner
C) A decision that is made jointly by the audited company's Audit Committee, in consultation with the lead audit partner
D) A compulsory provision in the law