If the number of employees falls below or over the required threshold, will the group be terminated from the plan? Mike E. April 22, 2021 02:11 Yes, but not until renewal. Related articles What if employers or brokers do not reply to the ARC Form? Do sole proprietors need to do the ARC form? Who should employers contact if they have questions about the ARC form? ARC Process Walkthrough Are employers required to include a Wage and Tax statement with the ARC data? Comments 0 comments Please sign in to leave a comment.