PwC International’s refusal to release a report into the overseas aspects of the tax leaks scandal is part of an ongoing cover-up by the firm that “worsens the crime” of a case that has rocked its local operations, a damning parliamentary report has found.

A Senate committee said the global organisation’s use of “legal professional privilege” was “symptomatic of its problematic engagement with the committee”. It said PwC Australia had yet to demonstrate that it reformed its operations “beyond superficial commitments to change”.