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May 5, 2014
Collateralized Loan Obligations (CLOs), Structure, Use, and
Implementation of the Volcker Rule
Overview
A collateralized loan obligation (CLO) is one way to fund
Types of CLOs of Immediate Concern
debt through a trust that issues securities. Recent
rulemaking to implement Section 619 (the Volcker Rule) of
Although the term CLO is a broad term that includes many
the Dodd-Frank Act focused attention on bank participation
kinds of asset-backed securities, the current policy
in CLOs. This article provides a general overview of the
discussion is focused on a narrower class. Banking
CLO structure; with a particular focus on CLOs that have
regulation in the United States had historically limited the
been used by banks to fund commercial debt, and discusses
geographic reach of depository banks, and thus the trust
regulatory policies of CLOs in relation to the Volcker Rule.
structure has been a common structure to coordinate
Some policymakers are concerned that the December 2013
commercial lending in a growing economy and to facilitate
final regulation for the Volcker Rule may create unintended
the use of securities markets to supplement depository
hardship for banks that own interests in CLOs originated
lending. The next two sections will illustrate these two (of
prior to the issuance of the rule. There is proposed
many) uses of collateralized lending.
legislation (H.R. 4167) designed to address these concerns.
First, the use of the trust structure as a bank coordinating
General Definition and Structure of a CLO
mechanism can be illustrated with a hypothetical example.
A regional business, such as a food truck, might have a line
CLOs are a subset of the more general category of
of credit and other relationships with a regional bank. As
collateralized debt obligations (CDOs). In a CDO, a trust is
the business grows, it may desire to expand to additional
formed to hold debt. The debt might be loans or bonds, and
cities not served by its current lender. A regional bank
thus there are CLOs for loans and CBOs for bonds. The
might offer to coordinate with other regional banks, rather
difference between a CLO and a CBO is that bonds are
than surrender the food truck company to a larger bank.
generally more easily transferrable than loans because
One convenient coordinating device for such a loan
bonds are designed to be marketable securities whereas
package is a trust, in which the loans from various banks
most loans are not. However, there can be robust secondary
are pooled, yet the banks themselves retain much of the
markets for some forms of loans, such as mortgages,
interest in the loan pool by retaining most of the securities
although the liquidity of such secondary markets is
issued by the trust. Technically, such securities would be
sensitive to market conditions. A second potential
obligations of the trust collateralized by the loans held by
difference between CLOs and CBOs is that several banks
the trust (CLO). The food truck example is a caricature, but
may use the CLO structure to coordinate combined lending
it is a useful reminder that the trust structure is neither
to a single borrower (such as loan participations or loan
particularly innovative, nor the exclusive territory of the
syndicates), which can complicate the transfer of loans to
largest banks.
the trust or the decoupling of the loan from the lender.
Because of this potential coordinating role, CLOs are often
Second, the CLO structure can be used to allow securities
associated with commercial lending.
markets to supplement bank lending (so-called leveraged
loans). A lead bank can form a trust to pool loans. The
CDOs can be funded by issuing obligations (securities) that
trust can issue debt and equity securities (obligations) to
are collateralized by the debts (loans or bonds) held in the
fund the loans, which are collateralized by the loans in the
trust. This is the basic structure of many classes of
pool (CLO). In some areas of finance, the term CLO is
securities, including such CLOs as asset-backed securities
industry jargon for business loans funded in this fashion.
(ABS), mortgage-backed securities (MBS), student loan
Banks might retain some of the interest in the loans, but
asset-backed securities (SLABS), and commercial
mutual funds, hedge funds, insurance companies, and other
mortgage-backed securities (CMBS). For more
investors may also participate. Figure 1 shows recent
information, see CRS Report R43345, Shadow Banking:
trends in the share of CLOs as investors in commercial
Background and Policy Issues, by Edward V. Murphy.
loans.1 Other investor groups include mutual funds, hedge
Although lenders might use the trust structure to fund loans
funds, insurance companies, and other investors.
by selling securities to third parties through securities
markets, the structure can also be used to coordinate loans
1
among several lenders that then buy back some or all of the
See page 6 of “Risk Retention for CLOs,” November 2013, by Oliver
securities from the transaction.
Wyman, available at
http://www.fdic.gov/regulations/laws/federal/2013/2013-
credit_risk_retention-c_149.pdf.
www.crs.gov | 7-5700