Control Deficiency exists when the design or operation of a control does not allow management or employees, in the normal course of performing their assigned functions, to prevent, or detect and correct [prevent or detect] misstatements on a timely basis.
a) Control deficiency definition is not relevant
b) Control deficiency definition is relevant only for issuers
c) Control deficiency definition is relevant for all engagements
d) Control deficiency definition is situational
