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The syllabus, topic by topic

Client securities and client money: the rules that protect the client's property

Compiled by the Sitonce editorial team from the HKSI and SFC sources listed belowUpdated 6 min readFacts verified 5 September 2026
The short answer

The SFC's client securities and client money rules require a licensed corporation to segregate client property from its own, hold client securities in safe custody, pay client money into a segregated account within a short prescribed period, and obtain a written standing authority before depositing, pledging or lending client securities.

This is the part of the regulatory framework that a client would care about if they ever read it. Everything else is process. These rules are the reason your shares are still yours when your broker collapses, and they are drafted with that single objective in mind. Which is also why they are so heavily examined: the logic is clean, so the wrong answers are unambiguous.

Legal form
Subsidiary legislation made under the Ordinance
Core obligation
Segregation of client property from the firm's own
Client money
Into a segregated account within a short prescribed period
Client securities
Safe custody, segregated, kept separate from firm assets
Use of client securities
Only with written standing authority, of limited duration
Framework Part
Part VI of the Securities and Futures Ordinance

Segregation, and what it actually does

Client money goes into a segregated account. Client securities are held in safe custody and kept apart from the firm's own assets. The purpose is insolvency-proofing: if the firm fails, a liquidator collecting the firm's estate does not sweep up property that belongs to clients.

Say that to yourself before answering any question on this subject, because it disposes of a large share of the distractors. Anything that would put client property at the disposal of the firm's creditors is prohibited unless a specific rule permits it. Anything the client has genuinely and formally authorised may be permitted, within limits.

The deposit deadline for client money

Client money received must be paid into a segregated account within a period specified by the rules. It is short. Business days, not weeks. That deadline is one of the small handful of numbers Topic 4 reliably asks for, and it is one of the numbers most often misremembered, so take it from the current text of the client money rules published by the SFC and note the date you took it.

The rules also restrict what may be paid out of a segregated account and to whom, which is the other half of the same idea. Money going in fast and coming out only for permitted purposes is what makes segregation more than a label on an account.

The standing authority regime

A licensed corporation may not deposit, pledge or lend a client's securities as it sees fit. Three conditions govern it, and exam items are built by breaking one of them.

  1. Written standing authority from the client. Not oral, not implied from a course of dealing.
  2. A limited duration. The authority runs for a maximum period fixed by the rules and must then be renewed.
  3. Renewal, including deemed renewal. The firm may give written notice before expiry, and if the client does not object the authority can be treated as renewed.

The deemed renewal mechanism surprises people, because it looks like consent by silence in a regime otherwise built on explicit permission. It is a deliberate accommodation for a practical problem: firms holding thousands of authorities that all need renewing on a rolling basis. The notice requirement is what keeps it honest.

Where the items are built

A firm acting on an oral instruction. A firm acting on an authority that expired last month. A firm treating an authority for one purpose as covering another. All three are standard stems, and all three fail on the same principle: the client's property may only be used within the exact permission given.

How this connects to everything else in Topic 4

Client assets are the hinge of the licensing regime. Whether a corporation holds them determines its capital requirement. Whether it handles them properly determines much of what an inspection looks at. Their loss is what triggers a claim on the Investor Compensation Fund, and the risk of their loss is what justifies the SFC's intervention powers.

So start here. Learn the client asset rules well and four other subjects on the syllabus become easier, which is not true of most of Topic 4, where the headings sit largely independent of one another and knowing one buys you nothing on the next.

Records and what the client receives

Alongside segregation sit the reporting obligations. Contract notes must go to the client after a transaction, within a period specified by the rules. Statements of account must be provided on a cycle, with the frequency depending on whether there has been activity. Records of all of it must be kept for the retention periods set out in the keeping of records rules.

Three different periods, three different rules, and they are commonly mixed up with each other and with the client money deposit deadline. Build them into one table when you revise, side by side, so that the differences are visible rather than remembered separately.

What we would tell a candidate to do

The opinion: this is the most important single subject in Topic 4 and it deserves more time than capital requirements. The rules are principled rather than arbitrary, which means you can reconstruct most answers from the segregation purpose even if a specific number has gone. That is rare here. Exploit it.

The concession: the numbers still matter, and no amount of understanding the purpose will tell you how many business days you have. We do not print those figures because they are amendable and a stale figure in a study guide can circulate for years. Get them from the SFC's published rules, write them down with a date, and test yourself on them until the exam. It is dull work. It is also, on this topic, the only work that helps.

For the enabling framework in the Ordinance, see Part VI on client assets and records, and for how this fits the topic as a whole, Topic 4 of the Paper 1 syllabus.

Common questions

What are the client money rules in Hong Kong?

Subsidiary legislation made under the Securities and Futures Ordinance requiring a licensed corporation to pay client money into a segregated account within a short prescribed period, and restricting what may be withdrawn from that account and for what purposes. The aim is to keep client money outside the firm's estate if it fails.

Can a broker use my securities without asking?

No. A licensed corporation may only deposit, pledge or lend client securities where the client has given a written standing authority, and only within the terms of that authority. Oral instructions and implied consent are not sufficient, and an expired authority provides no permission at all.

How long does a standing authority last?

It runs for a maximum period fixed by the client securities rules and must then be renewed. Renewal can also happen by a deemed renewal mechanism, where the firm gives written notice before expiry and the client does not object. Take the exact maximum period from the current rules published by the SFC.

Why does segregation matter?

Because it keeps client property out of the firm's estate on insolvency. Segregated client money and properly held client securities are not available to the firm's general creditors, so a broker's collapse does not automatically become the client's loss. Almost every specific rule in this area serves that objective.

Are client asset rules examined in Topic 3 or Topic 4?

Both. Topic 3 examines Part VI of the Ordinance, which is the framework empowering the rules. Topic 4 examines the client securities and client money rules themselves, where the questions turn on specific periods and permissions. Studying the subject once covers headings in both topics.