"In December 2019, the AICPA Auditing Standards Board (ASB) issued Statement on Auditing Standards (SAS) No. 138, Amendments to the Description of the Concept of Materiality, and Statement on Standards for Attestation Engagements (SSAE) No. 20 of the same title to respectively amend various AU-C and AT-C sections in AICPA Professional Standards.
Understand the amendments to the description of the concept of materiality which aligns the materiality concepts discussed in AICPA Professional Standards with the description of materiality used by the U.S. judicial system and other U.S. standard setters and regulators. "