Level III Core · Guidance for Standard IV: Duties to Employers

Standard IV(C) Responsibilities of Supervisors Explained

Updated 8 October 2026 · Fact-checked

Standard IV(C) says members must make reasonable efforts to ensure that anyone subject to their supervision complies with laws, rules, regulations and the Code and Standards. To answer a case, check for adequate compliance procedures, proper delegation and monitoring, and a prompt, documented response when a violation is found.

Understand Standard IV(C) Responsibilities of Supervisors

Standard IV(C) applies to you when you have supervisory authority. That means you can direct or influence the work of others. Your job title does not decide this. What matters is whether you have the power to influence behavior. Someone with that power is a supervisor under the Standard.

The duty is to make reasonable efforts to detect and prevent violations by subordinates. The test is about your efforts, not about perfection. If a subordinate breaks the rules in spite of reasonable supervision, the supervisor has not necessarily violated the Standard. A supervisor who made reasonable efforts (adequate procedures and monitoring) has not violated IV(C) merely because a subordinate concealed misconduct. A supervisor who made no reasonable effort can violate IV(C) whether or not the act was concealed.

The main tool is adequate compliance procedures. A supervisor should make sure the firm has a compliance system. If none exists, the supervisor should decline supervisory responsibility in writing until one is in place, or try to get one adopted. Procedures should be in writing, easy to understand, clear on who must follow them, and tied to the firm's activities. They should cover how to respond to a breach. Good ones include a code of ethics, a compliance manual, training, and monitoring and reporting channels.

You can delegate supervisory duties, but you do not delegate away your responsibility. You must make sure the delegate is competent and has the authority to do the job, and you must stay reasonably involved. If a violation occurs, act at once: investigate, stop the conduct, consider increased monitoring or restricting the person's activity, and document what you did. Doing nothing, or ignoring warning signs, is the usual failing in exam cases.

Do not confuse IV(C) with IV(A). IV(A) is about your own loyalty to your employer. IV(C) is about your duty to oversee other people's compliance. A supervisor who learns of a violation and fails to act reasonably (investigate, stop the conduct, report to compliance, increase monitoring) breaches IV(C), even if the supervisor did not commit the act. Reporting to compliance can be part of a reasonable response, but it may not be enough on its own.

Key rules to remember

Core duty: Supervisor must make reasonable efforts to detect and prevent violations by anyone subject to their supervision; Judged by the effort made, not by whether a violation happened.
Who is a supervisor: Supervisor = person with authority to direct or influence the behavior of others; Authority and influence decide it, not the job title.
Adequate compliance procedures: Written, clear, relevant to the firm's business, communicated to staff, with monitoring and a response plan for violations; If none exist, decline supervisory duties in writing until adequate ones are adopted.
Delegation: Delegate only to a competent person with real authority; keep reasonable oversight; Responsibility stays with the delegating supervisor.
Response to a violation: Investigate promptly, stop the conduct, increase supervision as needed, document actions; Pair this with enough monitoring to detect similar problems later.

How to solve Standard IV(C) Responsibilities of Supervisors questions

Use this order on any IV(C) case. It tells you quickly whether the supervisor met the duty.

1Identify who has supervisory authority. Look for the power to direct or influence others, whatever the title.
2Identify what the subordinate did and whether it breaks a law, rule, regulation or the Code and Standards.
3Check whether adequate compliance procedures existed: written, clear, communicated, and covering the activity.
4Check whether the supervisor monitored and trained staff, and whether any delegation was to a competent person with oversight.
5If a violation was known or suspected, check the response: prompt investigation, stopping the conduct, added supervision, documentation.
6Decide whether the supervisor made reasonable efforts. Then state the violation or compliance and the corrective action.

Quickest way: Four-question supervisor check

When to use it: Use it for multiple-choice questions in an item set where you must pick the action that complies with IV(C).

Is this person a supervisor? If not, IV(C) is not the issue.
Were adequate written procedures in place?
Did the supervisor monitor, and respond promptly to red flags?
Choose the option that adds procedures, investigates, restricts or documents. Reject options that ignore the issue, rely on the subordinate's word alone, or only discipline after the fact with no system fix.

Common mistakes in Standard IV(C) Responsibilities of Supervisors

Assuming a supervisor is automatically in violation whenever a subordinate breaks a rule.
Students link the outcome to blame.
Fix: Ask whether the supervisor made reasonable efforts. Adequate procedures and monitoring can mean no IV(C) violation.
Thinking delegation removes the supervisor's responsibility.
Handing over tasks feels like handing over accountability.
Fix: The supervisor stays responsible. Check the delegate's competence and keep reasonable oversight.
Confusing IV(A) with IV(C).
Both sit under Duties to Employers.
Fix: IV(A) is your own loyalty to the employer. IV(C) is your duty to oversee others' compliance.
Treating the job title as the test for who is a supervisor.
Students look for the word manager.
Fix: Look for authority to direct or influence behavior.
Choosing an answer that only punishes the employee after a violation.
Discipline feels like the obvious response.
Fix: Prefer answers that also investigate, strengthen procedures and increase monitoring.
Staying in a supervisory role when the firm has no compliance system.
Students think the supervisor must just carry on.
Fix: The supervisor should decline in writing to supervise until adequate procedures exist, or work to put them in place.

Worked examples

Example 1

Anil heads a research team at an asset manager. The firm has no written policy on trading ahead of recommendations. A junior analyst buys a stock the day before the team publishes a buy rating. Anil reminds the team verbally to be careful. What should Anil have done under Standard IV(C)?

Show the solution

Anil directs the team, so he has supervisory authority.
The analyst's trade may breach the Standards on priority of transactions and misconduct.
The firm lacks written procedures, so the compliance system is not adequate.
A verbal reminder is not a reasonable effort to detect and prevent violations.
Anil should have declined to supervise in writing until adequate procedures existed, or pushed for a written policy with monitoring, and should now investigate the trade and document his actions.

Answer: Anil did not meet IV(C). He needed adequate written compliance procedures and monitoring, and should now investigate promptly and document the response.

Example 2

Meera supervises a portfolio team. The firm has a written compliance manual, annual training and a trade-review system. A portfolio manager on her team hides a personal trade and the system fails to flag it. When Meera learns of it, she investigates, restricts his trading, increases monitoring and documents her steps. Did Meera violate IV(C)?

Show the solution

Meera is a supervisor.
Adequate procedures existed: written manual, training and trade review.
The subordinate hid his conduct, so failure to detect does not show a lack of reasonable effort.
On learning of it, Meera acted: investigated, restricted activity, increased monitoring and documented.
These are the expected responses, so she made reasonable efforts.

Answer: No. Meera made reasonable efforts through adequate procedures and a prompt, documented response, so she did not violate Standard IV(C).

Exam tips

Read for the supervisor's actions, not just the subordinate's breach. The answer usually turns on procedures and response.
In essay sets, name the Standard, state the failure or compliance in one sentence, then give the corrective actions asked for, matching the command word.
Look for red flags that the supervisor ignored. Ignoring them is the most common IV(C) violation in cases.
Prefer the answer that fixes the system: written procedures, monitoring, training, investigation and documentation.
If the question asks which Standard applies, separate your own conduct (IV(A)) from your oversight of others (IV(C)).

Standard IV(C) Responsibilities of Supervisors in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Standard IV(C) Responsibilities of Supervisors: frequently asked questions

What is the difference between Standard IV(A) and IV(C)?

IV(A) covers your own duty of loyalty to your employer. IV(C) covers your duty to make reasonable efforts to ensure others under your supervision comply. A case can involve both, but the focus differs.

What counts as adequate compliance procedures under IV(C)?

They should be in writing, clear, relevant to the firm's activities and communicated to staff. They should include monitoring and a plan for responding to violations. Training and a code of ethics support them.

Is a supervisor always responsible when a subordinate violates the Standards?

No. The test is whether the supervisor made reasonable efforts to detect and prevent violations. Adequate procedures and a prompt response to problems can mean the supervisor complied.

What should a supervisor do if the firm has no compliance system?

The supervisor should decline supervisory responsibility in writing until adequate procedures are adopted, or work to have them put in place. Carrying on without a system is not a reasonable effort.