Which entity is specifically mentioned as monitoring compliance alongside Metabank?

The correct answer highlights the role of the Internal Revenue Service (IRS) in the context of monitoring compliance at a bank alongside Metabank. This is particularly significant as the IRS has responsibilities related to the enforcement of tax laws and ensuring that financial institutions adhere to regulations involving anti-money laundering and reporting of suspicious activities.

Generally, the IRS's involvement in compliance matters extends to overseeing that banks and financial entities follow appropriate protocols for reporting income and maintaining accurate records. This is crucial for preventing tax evasion and ensuring that institutions operate within the boundaries of the law.

Other entities may play roles in compliance oversight as well, but the specific context of the question pertains to the IRS's regulatory and monitoring functions in relation to Metabank.