See45 CFR 149.150 for the process to receive and resolve complaints that a specific group health plan may be failing to meet the requirement of applying a qualifying payment amount under §§ 54.9816-4T , 54.9816-5T , 54.9816-6T , and 54.9817-1T , which may warrant an investigation.
26 C.F.R. §54.9816-7T