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Gain regulatory clarity with essential disclosure tactics

Learn key disclosures, avoid reporting mistakes, and boost regulatory confidence with actionable insights
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Tyler York
25 Jun 2026, 6 min read
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A step-by-step guide to Form ADV Part 1 with a practice question for Series 63, 65, and 66 exams


What you need to know

  • Form ADV Part 1 is the regulatory registration document that investment advisers file with the SEC or state securities regulators.
  • It focuses on factual information about an advisory firm's ownership, business activities, affiliates, disciplinary history, and assets under management.
  • The Series 63, 65, and 66 exams commonly test what information belongs on Form ADV Part 1 and what should not be included.
  • Understanding the purpose of disclosure, not just memorizing filing requirements, will help you answer exam questions more confidently.

Form ADV Part 1 is one of the most important regulatory filings for investment advisers. While it may look like a standard registration form, it serves as a key disclosure document that helps regulators oversee advisory firms and monitor compliance with securities laws.

For Series 63, 65, and 66 candidates, understanding Form ADV Part 1 means knowing more than what information is reported. You should also understand why regulators require these disclosures, which information belongs on the form, and how exam questions distinguish between Form ADV Part 1 and other regulatory documents.

This guide explains the purpose of Form ADV Part 1, highlights commonly tested concepts, and finishes with a practice question to reinforce your knowledge.


What is Form ADV Part 1?

Form ADV Part 1 is the electronic registration document filed through the Investment Adviser Registration Depository (IARD). It provides regulators with factual information about an investment advisory firm's business and operations.

Among other items, Form ADV Part 1 includes information about:

  • Ownership and control of the firm
  • Types of advisory services offered
  • Assets under management (AUM)
  • Affiliations with other financial firms
  • Disciplinary history
  • Business activities
  • Contact and registration information

Unlike Form ADV Part 2, which is written in plain English for clients, Part 1 is primarily intended for regulators.

Series 65 exam tip: A common exam question asks candidates to distinguish between Form ADV Part 1 (regulatory filing) and Form ADV Part 2 (client disclosure brochure).


Why Form ADV Part 1 matters

Form ADV Part 1 helps regulators evaluate whether an investment adviser is properly registered and operating in compliance with applicable securities laws.

Because regulators rely on this information during examinations, firms must keep the filing accurate and up to date. Changes in ownership, disciplinary events, business activities, or contact information generally require prompt updates.

Accurate disclosures also promote transparency by helping regulators identify conflicts of interest, monitor advisory firms, and protect investors.

Although clients typically review Form ADV Part 2, the information contained in Part 1 supports the broader regulatory oversight that helps maintain confidence in the financial industry.


Business structure and operational disclosures

One of the primary purposes of Form ADV Part 1 is to provide regulators with a clear picture of how an advisory firm is organized.

This includes information about:

  • The firm's legal structure
  • Ownership and controlling persons
  • Branch offices
  • Advisory services
  • Business activities
  • Affiliates

These disclosures allow regulators to understand who controls the firm, how it conducts business, and whether potential conflicts of interest may exist.

For larger firms or firms with multiple affiliated entities, accurate organizational information becomes even more important because regulators need a complete picture of the firm's operations.

Series 66 exam tip: Questions may ask which types of business relationships or affiliations must be disclosed on Form ADV Part 1.


Required disclosures on Form ADV Part 1

Form ADV Part 1 focuses on objective, factual information rather than marketing language or investment philosophy.

Examples of required disclosures include:

  • Contact information
  • Ownership and management information
  • Assets under management
  • Types of advisory services
  • Affiliations with broker-dealers, investment advisers, or other financial firms
  • Disciplinary history involving the firm or certain associated persons
  • Other business activities that may create conflicts of interest

Keeping this information current is an ongoing responsibility, not a one-time filing requirement.


What should not be included?

Just as important as knowing what belongs on Form ADV Part 1 is understanding what does not belong.

Generally, firms should not include information that is unrelated to regulatory oversight or potential conflicts of interest.

Examples include:

  • Personal investments unrelated to advisory business
  • Political activities that have no regulatory reporting requirement
  • Internal staffing matters that do not affect advisory services
  • Marketing language promoting the firm's investment philosophy

Providing unnecessary information can make disclosures less clear without improving regulatory oversight.

Common exam trap: Candidates sometimes assume every outside activity must be reported. In reality, only activities required by Form ADV instructions or those that create relevant conflicts generally belong on the filing.


Form ADV Part 1 vs. Part 2

This comparison frequently appears on the Series 63, 65, and 66 exams.

Form ADV Part 1Form ADV Part 2
Filed with regulatorsDelivered to clients
Primarily factual informationPlain-English disclosure brochure
Focuses on registration and complianceExplains services, fees, conflicts, and investment practices
Used for regulatory oversightHelps clients make informed decisions

Remember this distinction:

Part 1 identifies the adviser to regulators. Part 2 explains how the adviser conducts business with the client.


Common Series 63, 65, and 66 exam topics

When studying Form ADV Part 1, focus on these commonly tested concepts:

  • Which firms must file Form ADV
  • Information required on Part 1
  • Differences between Part 1 and Part 2
  • Disclosure of disciplinary history
  • Reporting affiliated businesses
  • Registration updates after material changes
  • Regulatory purpose of Form ADV

Understanding why disclosures are required is often more helpful than memorizing isolated facts.


Practice question

Which of the following would most likely be reported on Form ADV Part 1?

A. The firm's investment philosophy

B. Client investment objectives

C. The adviser's disciplinary history and affiliated businesses

D. Sample portfolio recommendations

Answer: C

Explanation:

Form ADV Part 1 contains factual regulatory information about the advisory firm, including disciplinary history, ownership, business activities, and affiliations with other financial firms. Investment philosophy and advisory practices are generally discussed in Form ADV Part 2, while client investment objectives are not reported on Form ADV Part 1.


Key takeaways

Form ADV Part 1 is the foundation of an investment adviser's regulatory registration. It provides regulators with essential information about a firm's ownership, operations, business activities, affiliations, and disciplinary history.

For Series 63, 65, and 66 exam candidates, the most important concepts are understanding what information belongs on Form ADV Part 1, how it differs from Form ADV Part 2, and why accurate disclosure supports effective regulatory oversight. Mastering these principles will prepare you for exam questions and build a strong understanding of how investment advisers meet their compliance responsibilities.


Frequently asked questions

What is Form ADV Part 1?

Form ADV Part 1 is the regulatory registration document that investment advisers file with the Securities Exchange Commission (SEC) or state securities regulators. It contains factual information about the firm's business, ownership, affiliates, disciplinary history, and assets under management.

What is the difference between Form ADV Part 1 and Part 2?

Part 1 is a regulatory filing used by securities regulators, while Part 2 is a client-facing brochure that explains an adviser's services, fees, investment strategies, and conflicts of interest.

Is Form ADV Part 1 tested on the Series 65 exam?

Yes. The Series 65 and often the Series 66 tests candidates on the purpose of Form ADV, the information included in Part 1, and the differences between Part 1 and Part 2.

What information must be disclosed on Form ADV Part 1?

Required disclosures include ownership information, advisory services, assets under management, affiliated businesses, disciplinary history, and other information that regulators use to oversee investment advisers.

Tyler York's profile picture
Tyler York
25 Jun 2026, 6 min read
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