Eligible Securities

Last updated: 3 September 2015

This page outlines the criteria established by the Reserve Bank to determine whether securities are eligible for use in the Reserve Bank's domestic market operations.

1. Purchase of Securities by the Reserve Bank under Repurchase Agreement

The Reserve Bank applies minimum eligibility criteria to purchases of securities under a repurchase agreement (repo). A security's eligibility for purchase by the Reserve Bank under repo and the margins applied depends on the type of security, its maturity and/or its credit rating. All securities must meet the following criteria:

  • The security is denominated in Australian dollars and is lodged and active in Austraclear at the time of settlement of an agreed transaction with the Reserve Bank.
  • The Reserve Bank does not transact in securities held in Austraclear as Euro Entitlements. A Euro Entitlement exists where an Australian dollar denominated security has been deposited with an international Central Securities Depository (CSD; such as Euroclear or Clearstream) as an ‘Investor CSD’ but where Austraclear permits that security to settle through its system as an ‘Issuing CSD’ in the same manner as domestic securities.
  • The Reserve Bank will not accept what it considers to be highly structured securities.
  • Securities sold to the Reserve Bank under repo must not enter the ‘closed period to maturity’ during the term of the repo.

Securities that meet the above conditions and are issued on behalf of the Australian Government (Australian Government Securities (AGS)) or by the central borrowing authorities of the states and territories (semi-government securities) are eligible. The eligibility of all other securities is subject to an approval process and the Reserve Bank will not accept such securities under repo until the approval process is complete and the securities appear on the Current List of Eligible Securities. Requests can be made to add a security to the list. See Section 2 below for details on how to apply for eligibility status.

Unless otherwise expressly agreed, the Reserve Bank will not purchase eligible securities from eligible counterparties that the Reserve Bank considers to be materially related to the credit quality of those securities. Where applicable, counterparties considered by the Reserve Bank to be related to specific securities or programs appear on the Current List of Eligible Securities. In identifying these relationships, entities that are members of the same corporate group are considered by the Reserve Bank to be equivalent. Similarly, where one entity has an ownership stake in another entity that exceeds 15 per cent, the two entities are considered by the Reserve Bank to be equivalent.

The Reserve Bank may grant a ‘related-party exemption’ to a counterparty in respect of a specific eligible security which the Reserve Bank considers to be materially related to that counterparty. Under such a related-party exemption, the Reserve Bank would be willing to purchase the specific eligible security from the counterparty in repos contracted under the standing facilities, but not under open market operations. Typically, this exemption would only be granted with respect to the most senior notes in an eligible asset-backed security transaction and where at least 90 per cent of the collateral pool held by the issuer (by value) is comprised of fully documented, domestic, insurable residential mortgages.

Securities that are currently listed as eligible will lose their eligibility status if they fail to meet the Reserve Bank requirements in the future. In these circumstances, counterparties with outstanding repos with the Reserve Bank will be required to substitute eligible securities as replacement for those that have lost their eligibility status. The Domestic Markets Desk contacts any counterparties affected by a change in security eligibility to arrange for substitution.

The Reserve Bank has discretion to change its eligibility criteria at any time (subject to Section 9 of the CLF Operational Notes).

Further details about the specific eligibility criteria applying to each asset type are provided in the table and sections below.

Minimum Credit Ratings for Securities to be Eligible for Purchase by the Reserve Bank under Repo
Minimum Credit Rating(a)
Australian Government Securities n/a
Semi-government Securities n/a
Securities Issued by Supranationals and Foreign Governments(b) AAA
Securities with an Australian Government Guarantee n/a
Securities with a Foreign Sovereign Government Guarantee(b) AAA
ADI-issued securities  
– Residual maturity greater than 1 year BBB+
– Residual maturity of 1 year or less public credit rating
Asset-backed Securities A−1 or AAA
Other Securities A−1 or AAA
(a) Standard and Poor's credit rating, or equivalent from Moody's or Fitch.
(b) The minimum credit rating requirement is waived for securities issued and/or guaranteed by the New Zealand government.

1.1 Recognised Credit Rating Agencies

The Reserve Bank only considers publically available and final credit ratings from Standard and Poor's, Moody's and Fitch when assessing the eligibility of securities. These agencies are referred to below as the recognised credit rating agencies.

1.2 Securities Issued by Supranationals and Foreign Governments

A minimum credit rating of AAA is required, except for securities issued by the New Zealand government. The minimum credit rating assigned either to the security (where available) or to its issuer by any of the recognised credit rating agencies will be used to assess the eligibility of the security. The eligibility of both short- and long-term securities is determined by the long-term credit rating of the issuer.

1.3 Securities with an Australian Government Guarantee

The security must have an explicit guarantee (or arrangements deemed by the Reserve Bank to be equivalent support) from the Australian Government. Both short-term securities (such as bills and certificates of deposit (CDs)) and long-term securities are eligible.

1.4 Securities with a Foreign Sovereign Government Guarantee

The security must have an explicit guarantee (or arrangements deemed by the Reserve Bank to be equivalent support) from a foreign sovereign government.

A minimum credit rating of AAA is required, except for securities guaranteed by the New Zealand government. The minimum credit rating assigned either to the security (where available) or to its issuer by any of the recognised credit rating agencies will be used to assess the eligibility of the security. The eligibility of securities with only a short-term credit rating is determined by the long-term credit rating of the guarantor.

1.5 ADI-issued Securities

ADI-issued securities include both senior unsubordinated debt securities, as well as certain credit-enhanced securities such as covered bonds.

Securities with a residual maturity greater than 1 year: a minimum credit rating of BBB+ is required, and at least two of the recognised credit rating agencies must provide a credit rating for the security or the issuer. Except for covered bonds, the minimum credit rating assigned either to the security (where available) or to its issuer by any of the recognised credit rating agencies will be used to assess the eligibility of the security and the applicable margin ratio (see Section 1 of Margin Ratios); where credit ratings are split across the recognised credit rating agencies, the lowest available security or issuer credit rating will apply. For covered bonds, the minimum of the security credit ratings can be used in place of the issuer credit ratings; however, where an insufficient number of security credit ratings are available, the issuer credit rating will be used instead.

Securities with a residual maturity of 1 year or less: at least one of the recognised credit rating agencies must provide a credit rating for the security or the issuer.

The repo eligibility of ADI-issued securities is not directly affected by the existence in foreign jurisdictions of statutory powers to bail in the ADI's creditors.

1.6 Asset-backed Securities

Asset-backed securities include asset-backed commercial paper (ABCP), residential mortgage-backed securities (RMBS)[1], commercial mortgage-backed securities (CMBS) and securities backed by auto loans/leases and/or credit card receivables. The securities must:

  • have a minimum credit rating of A-1 or AAA from any of the recognised credit rating agencies; for securities with an A-1 credit rating (such as ABCP), the issuer must be an Australian company or an Australian trust that has an Australian company as its trustee
  • have structural features or triggers that are not considered to be particularly complex or unusual by the Reserve Bank and cash flows that are not generated from synthetic assets underlying the transaction; in particular, the Reserve Bank will not accept collateralised debt obligations (CDOs) backed by other asset-backed securities
  • be tradeable in the secondary market; private placement securities are eligible so long as they meet all criteria
  • be based on a true sale of assets into a bankruptcy remote Special Purpose Vehicle (SPV)
  • make regular coupon payments, if the residual maturity is greater than 12 months

Full compliance with the Reserve Bank's reporting requirements for asset-backed securities is also necessary for these securities to be eligible securities. For more information on the reporting requirements see section 2 below.

For asset-backed securities where the counterparty to the repo is ‘related’ to the securities proposed as collateral, the Reserve Bank may: restrict the counterparty from selling the security to the Reserve Bank; or make adjustments to the margin ratio (see Section 2 of Margin Ratios). When determining whether a party is related to the securities, the Reserve Bank takes into account the information provided in the trust documents, the application for eligible security status, and any regular reporting to the Reserve Bank.

1.7 Other Securities

This category covers other types of short-term paper and bonds that are not issued by ADIs, including corporate bonds, commercial paper, unsubordinated bonds and covered bonds.

A minimum credit rating of A-1 or AAA is required. Except for covered bonds, the minimum credit rating assigned either to the security (where available) or to its issuer by any of the recognised credit rating agencies will be used to assess the eligibility of the security; where credit ratings are split across the recognised credit rating agencies, the lowest available security or issuer credit rating will apply. For covered bonds, the minimum of the security credit ratings can be used in place of the issuer credit ratings; however, where an insufficient number of security credit ratings are available, the issuer credit rating will be used instead.

For securities with an A-1 credit rating (such as commercial paper) to be eligible, the issuer must be an Australian company.

2. Applications and Reporting Requirements

Before securities (other than AGS and semi-government securities) can be made eligible for purchase by the Reserve Bank under repo, an application form and the relevant supporting documentation must be submitted for an assessment of eligibility. Once a security has been approved, it will appear on the Current List of Eligible Securities. There are also ongoing reporting requirements for asset-backed securities which are detailed below.

2.1 Applications for Eligibility

Applications to add a security to the Current List of Eligible Securities must be made using the Application Form for Eligible Securities. All of the required fields and supporting documentation must be provided. This information must be verifiable from other sources. It is up to the applicant to show that the security meets the Reserve Bank's requirements. The completed application form and supporting material should be e-mailed to eligible_securities@rba.gov.au. In addition, a completed application form and the associated supporting documentation must be provided whenever a self-securitised RMBS substitutes assets, tops-up the mortgage pool or whenever new notes are issued from the trust. A list of the required supporting documentation can be found within the application form (by selecting the appropriate application type).

For short-term debt securities, it is generally sufficient for the applicant to demonstrate that the program, rather than individual securities, meets the Reserve Bank's eligibility requirements.

For asset-backed securities, the Reserve Bank's eligibility assessment process will only commence after a Deal Data Registration and Amendment Form has been completed and the applicant has demonstrated that a valid submission to the Securitisation System can be made. For more information on the Reserve Bank's reporting requirements, see the RBA Securitisations Industry Forum.

2.2 Ongoing Reporting (Asset-backed Securities)

The Reserve Bank and the public must be provided with reliable details on the composition of the assets underlying all eligible asset-backed securities on an ongoing basis. The reporting requirements reflect the Reserve Bank's desire to receive comprehensive and standardised information on these securities and to promote broader transparency in the securitisation market. Compliance with these ongoing reporting requirements is necessary for asset-backed securities to be considered eligible securities by the Reserve Bank. For more information on the Reserve Bank's reporting requirements, see the RBA Securitisations Industry Forum.

3. Sales of Securities by the Reserve Bank under Repurchase Agreement

Excepting those repos contracted under the AOFM Securities Lending Facility, securities sold by the Reserve Bank under repo are sourced from the Reserve Bank's portfolio of AGS and semi-government securities held on an outright basis. Securities sold by the Reserve Bank under repo are not adjusted for a margin ratio.

While the Reserve Bank does not publish details of the specific securities it holds within its portfolio, eligible counterparties may approach the Reserve Bank's Domestic Markets Desk outside of scheduled open market operations to enquire about borrowing specific securities under a repurchase agreement. The Reserve Bank will negotiate such repos at its discretion.

4. Outright Transactions

Eligible securities for outright transactions are AGS and semi-government securities that are denominated in Australian dollars and are lodged and active in Austraclear at the time of settlement of an agreed transaction with the Reserve Bank. The Reserve Bank does not transact in securities held in Austraclear as Euro Entitlements. A Euro Entitlement exists where an Australian dollar denominated security has been deposited with an international Central Securities Depository (CSD; such as Euroclear or Clearstream) as an ‘Investor CSD’ but where Austraclear permits that security to settle through its system as an ‘Issuing CSD’ in the same manner as domestic securities.

Ahead of a large AGS bond maturity, the Reserve Bank may seek to purchase AGS or semi-government securities that mature on the relevant maturity date. For more details see Open Market Operations Section 3.

Footnote

For a summary of structural features typically found in Australian RMBS, see Arsov I, I S Kim and K Stacey (2015), ‘Structural Features of Australian Residential Mortgage-backed Securities’, RBA Bulletin, June, pp 43–58. [1]