As the IRS continues to combat an estimated $2 trillion in fraudulent Employee Retention Credit (ERC) claims, it is targeting businesses that improperly claimed the credit through various means. After establishing a withdrawal process for pending claims in October 2023, the IRS sent an “initial round” of disallowance letters in December, and it opened a limited-time ERC Voluntary Disclosure Program (ERC-VDP) a few weeks later.