Perfection (law)

In law, perfection relates to the additional steps required to be taken in relation to a security interest in order to make it effective against third parties[1] or to retain its effectiveness in the event of default by the grantor of the security interest. Generally speaking, once a security interest is effectively created, it gives certain rights to the holder of the security and imposes duties on the party who grants that security.[2] However, in many legal systems, additional steps --- perfection of the security interest --- are required to enforce the security against third parties such as a liquidator.[3]


As a legal concept, perfection must be distinguished from:

The same rule --- the common law rule in Dearle v Hall, for instance --- may govern both perfection against third parties (e.g., subsequent security holders) and prioritization of competing security interests.

In most legal systems, the need for perfection arises only in relation to security interests that are proprietary in nature (such as a mortgage or equitable charge). Other arrangements which constitute security in the loose sense of the word --- for instance, title retention arrangements, hire purchase, and leasing transactions --- need not in general be perfected in the legal sense.

In India, Section 125 of the Companies Act, 1956 provides that certain charges shall be void against liquidator or creditors unless registered. Thus,if a charge is not registered with Registrar of Companies, and company happens to go for liquidation, even secured creditor shall be treated as unsecured.

Types of perfection

There are three principal modes by which a security interest may be perfected (which method of perfection is applicable depends upon the nature of the security interest and the laws of the relevant country).

  1. possession of the collateral;
  2. statutory registration or filing;[4] and
  3. notice to the debtor or a fundholder.


Some security interests can be perfected only by the actual possession of the asset. For example, under a common-law pledge (or pawn), the right to enforce the sale of the asset is contingent upon the possession of that asset: an agreement that leaves the debtor in possession of the pledged collateral does not give rise to an enforceable security interest.[5]

In certain cases, the possession does not need to be actual possession, but may be constructive possession. For example, possession of a document of title will often suffice where it is not possible to possess the goods.[6] In many legal systems, there may also be constructive possession by attornment.

The law relating to perfection of security interests by taking of possession can sometimes be confused with the law relating to the granting of security interests, which provides that the deposit of certain assets (usually documents of title) can amount to an equitable mortgage of the goods.[7]

Registration or filing

Certain security interests may be perfected by some kind of registration or filing. Although the terms are used interchangeably, it is more accurate to speak of registration as the lodgment of particulars, and filing as the lodgment of the security instrument itself.[8]

Generally systems of registration divide into two types:

  1. registration against a particular debtor; and
  2. registration against a particular asset.

Each has its own advantages and disadvantages.

Registration against a particular asset only tends to be practical where the assets are of a nature and substance that makes it feasible to have a register for recording security interests against them. Most countries have systems for the registration of security relating to land, aircraft, ships and intellectual property rights. The advantage of a register relating to the asset is that if the debtor wishes to provide an asset as collateral, the proposed lender can swiftly check definitively whether the asset is encumbered or not. Nevertheless, specialist registers in some jurisdictions cannot always be considered "a one-stop source of information".[9]

Registration against a debtor tends to operate by way of requiring the registration of certain security interests by the debtor. The advantage is that a lender can quickly see which assets of the debtor are encumbered and which are not. However, because many registration systems do not require all types of security interest to be registered gaps can remain. Also, systems which register security against the debtor do not act as a check that the debtor actually has title to any of the relevant assets, merely that he has not created any security interest over them.[10]

However, the position is complicated by the fact that many legal systems employ both, interchangeably. A security interest granted by a debtor over a particular asset in any given country may need to be registered against the debtor, against the asset, both or neither.[11]


In some legal systems, perfection of a security interest requires notice to be given to a relevant third party. This most commonly arises in relation to security over a debt or other chose in action, notice being required to be given to the party owing the debt or holding the fund. Under English law, an often cited example is the well-known rule in Dearle v Hall. Under the rule if A is owed money by X, and then A grants an equitable charge over that debt to B, and then grants a second equitable charge over the same debt to C, then the ability to enforce the charge by either B or C against the money in X's hands is dependent upon the giving of notice to X. The controversy in the rule relates to the fact that it is also a rule of priority, meaning that (if their rights are otherwise equal) the first one to give notice to X has the prior claim, irrespective of the order in which the equitable charges were granted.

Similarly, in many common law legal systems, where there is an assignment of a debt, the assignee cannot enforce the rights of the assigning creditor against the debtor unless notice of the assignment has been given, and until notice of the assignment has been given, the debtor can still discharge the debt by paying the money to the creditor, notwithstanding the assignment.

See also


  1. See generally "Perfection of security interest," Black's Law Dictionary, pp. 1023-1023 (5th ed. 1979).
  2. Mace Builders v Lunn [1987] Ch 191
  3. For example, section 395 of the Companies Act 1986 of the United Kingdom requires certain security interests to be filed at Companies House within 21 days of being created. A failure to make such a filing does not affect the validity of the security interest between the debtor and the secured party, but if the debtor goes into insolvent liquidation, the security interest is void against the liquidator.
  4. Such as the filing under section 395 of the United Kingdom Companies Act 1986 referred to above
  5. Dublin City Distilery Co Ltd v Doherty [1914] AC 823
  6. Although see Official Assignee of Madras v Mercantile Bank of India [1935] AC 53 where Lord Wright inferred that this may not be the case, discussed and explained in other terms in Commercial Law by Roy Goode.
  7. For a recent example an equitable mortgage created this way in Australia, see Theodore v Mistford Pty Ltd [2005] HCA 45
  8. Report of the Committee on Consumer Credit (Cmnd. 4596, 1971), para 5.7.13; the distinction does have some meaning, as registration of particulars only makes third parties aware that there is a security interest, whereas filing they can see the terms of the security interest.
  9. For an analysis of the uncertainties surrounding Intellectual property registers in the UK see Andrea Tosato, Security interests over intellectual property (2011) Journal of intellectual property law and Practice 99
  10. A lender can still be in difficulty if it transpires that the goods are subject to a lease, or retention of title arrangement, or other form of non-registrable arrangement.
  11. For example, in the United Kingdom if a company was to grant a mortgage over land and its rental income, this would be registrable both against the company (under section 395 of the Companies Act) and the asset (under the Land Registration Act and/or the Land Charges Act), but the same company granting a fixed equitable charge over a car would not be required to register it anywhere.
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