Battles over Employee Retention Credit (“ERC”) claims are turning more serious now, with many audits, administrative appeals, and cases getting underway. Taxpayers hoping to prevail against the IRS or Department of Justice need to have a deep understanding of legislative, substantive, procedural, and strategic ERC issues. Understandably, loads of taxpayers are having trouble keeping up with evolving matters in the ERC world. This article, the latest in a long series, discusses five new items that might have escaped the attention of taxpayers.