PCAOB Proposes Amendments to QC 1000

At a June 9, 2026 Open Board Meeting, the PCAOB issued proposed amendments to QC 1000, A Firm’s System of Quality Control, for public comment. According to the Board, the proposed amendments are narrow and targeted and,“[i]f adopted, the amendments would improve coherence, where appropriate, with other quality management standards and potentially would reduce compliance costs without compromising the PCAOB’s statutory mission to protect investors.”  The proposed amendments would 1) rescind the “design-only” requirement so that QC 1000 only applies to firms that have a PCAOB “engagement;” 2) increase flexibility in filling specific roles in the QC system; 3) eliminate the External QC Function for firms with large PCAOB audit practices; 4) simplify communication requirements relating to audit practice, firm personnel, and engagement metrics; 5) with respect to identified engagement deficiencies, reduce the circumstances requiring evaluation of whether similar additional engagement deficiencies exist; 6) revise the definition of “QC deficiency” to allow firms to consider relevant compensating responses; 7) allow firms to select an annual evaluation date other than September 30; 8) revise the QC system evaluation conclusions to align more closely other quality management standards; and 9) simplify the documentation requirements and shorten the documentation retention period. Notably, the Board is not proposing to extend the effective date for QC 1000, which remains December 15, 2026. Each Board Member spoke in support of the supplemental request for comment on the proposed amendments.

The deadline for public comment is July 9, 2026. If approved, the proposed amendments would take effect on December 15, 2026.

The supplemental request for comment can be found here and the news release can be found here. Chairman Demetrios Logothetis’s statement can be found here. Board Member George R. Botic’s statement can be found here. Board Member Mark A. Calabria’s statement can be found here. Board Member Steven D. Laughton’s statement can be found here.