“…5 allows the external auditor to rely on relevant work performed independently by internal auditing, as long as the IAF is deemed to be of acceptable quality. However, a full understanding concerning the role of the IAF in terms of audit efficiency and audit quality is not yet available, as the empirical evidence concerning this role is an emerging literature (e.g., Abbott, Daugherty, Parker, & Peters, 2016;Gros, Koch, & Wallek, 2017;Johl, Johl, Subramaniam, & Cooper, 2013;Prawitt, Sharp, & Wood, 2012;Prawitt, Smith, & Wood, 2009).…”