Rule G-34 requires underwriters and dealers participating in the placement of a new issue of municipal securities to ensure that an application is made for CUSIP numbers for the new issue.[1] The CUSIP Service Bureau assigns CUSIP numbers to reflect the differences in securities that are relevant to trading and investment decisions.[2] In addition, Board rules G-12 and G-15 require that CUSIP numbers appear on confirmations of transactions and that the securities delivered on those transactions match the CUSIP numbers appearing on the confirmations.[3]

Recently, certain questions have arisen about the proper method for assignment of CUSIP numbers to certain general obligation securities that have been issued in multiple series. In these issues, the issuer uses the proceeds from each series to fund a separate project, but the project itself offers bondholders no additional security for payment beyond that provided by the full faith and credit of the issuer. Securities within multiple series may be identical with respect to dated date, maturity, security and source of payment. However, an individual series may be called, in whole or part, at the option of the issuer, based on the series designation. In addition, the securities are subject to certain mandatory redemption features, which are exercisable by series and which are dependent upon the status of the project funded by the series.

Underwriters have encountered confusion as to whether each series within these issues should be assigned separate CUSIP numbers or whether the CUSIP number assignment for the issues should ignore the series designation. The Board wishes to clarify that, because of the possibility that the securities will be subject to early redemption by series designation, separate CUSIP numbers for each series are required.

The Board previously has indicated that a designation of multiple "purposes" for general obligation debt does not require separate CUSIP numbers for each purpose if the securities otherwise are identical.[4] Accordingly, there are a number of outstanding multi-series general obligation issues which are assigned one CUSIP number for each maturity and which are traded, cleared, and settled without regard to series designation. While the Board does not wish to change this general rule, it believes that separate CUSIP number assignment is required for those multi-series issues which can be called by series. The Board notes that the probability of a partial or "in-whole" redemption of a series has the potential to become a significant factor to investors and that it therefore is necessary to preserve distinctions among the various series when trading, clearing and settling these securities.

The Board has consulted with the CUSIP Service Bureau in this matter and the Service Bureau has agreed to assign separate CUSIP numbers to multi-series general obligation issues which can be called by series. Dealers serving as underwriters for these issues therefore should not request the Service Bureau to ignore the series designation when assigning numbers to these issues.

[1]The rule applies to all issues eligible for CUSIP number assignment. This includes nearly all new issue securities over three months in maturity.

[2] CUSIP numbers are assigned to municipal issues by their issuer title, dated date, interest rate, and maturity date. Municipal securities which are identical as to these four elements are assigned different numbers if there is a further distinction between the securities involving any of the following:

(1) the call features (i.e., whether or not securities are callable, date or terms of call feature, etc.);

(2) any limitation of the pledge on a general obligation bond (e.g., limited tax versus full faith and credit);

(3) any distinction in the secondary security or the source of payment of a revenue bond;

(4) the identity of any entity, besides the issuer, obligated on the debt service of the securities (e.g., two pollution control revenue bonds secured by different corporate obligors); and

(5) any distinction in the secondary security or the source of payment of a general obligation bond.

[3] Certain exceptions to these rules exist for securities which have not been assigned CUSIP numbers and instances in which the CUSIP number on a confirmation and the CUSIP number assigned to securities differ only because of a transposition or transcription error.

[4] See MSRB Reports Vol. 2, No. 1, (January 1982), p. 3. Of course, if specific portions of a general obligation issue are additionally backed by the revenues from various issuer activity or proceeds from various projects (so-called "double-barrelled" issues), separate CUSIP numbers are required to reflect these distinctions.

Confirmation requirements for partially refunded securities. This will respond to your letter of May 16, 1989. The Board reviewed your letter at its August 1989 meeting and authorized this response.

You ask what is the correct method of computing price from yield on certain types of "partially prerefunded" issues having a mandatory sinking fund redemption. The escrow agreement for the issues provides for a stated portion of the issue to be redeemed at a premium price on an optional, "in-whole," call date for the issue. The remainder of the issue is subject to a sinking fund redemption at par.[1] Unlike some issues that are prerefunded by certificate number, the certificates that will be called at a premium price on the optional call date are not identified and published in advance. Instead, they are selected by lottery 30 to 60 days before the redemption date for the premium call. Prior to this time, it is not known which certificates will be called at a premium price on the optional call date. In the particular issues you have described, the operation of the sinking fund redemption will retire the entire issue prior to the stated maturity date for the issue.

As you know, rules G-12(c) and G-15(a) govern inter-dealer and customer confirmations, respectively. Rules G-12(c)(v)(1) and G-15(a)(i)(1)[*] require the dollar price computed from yield and shown on the confirmation to be computed to the lower of call date or maturity. For purposes of computing price to call, only "in-whole" calls, of the type which may be exercised in the event of a refunding, are used.[2] Accordingly, the Board previously has concluded that the sinking fund redemption in the type of issue you have described should be ignored and the dollar price should be calculated to the lowest of the "in-whole" call date for the issue (i.e., the redemption date of the prerefunding) or maturity. In addition, the stated maturity date must be used for the calculation of price to maturity rather than any "effective" maturity which results from the operation of the sinking fund redemption. Identical rules apply when calculating yield from dollar price. Of course, the parties to a transaction may agree to calculate price or yield to a specific date, e.g., a date which takes into account a sinking fund redemption. If this is done, it should be noted on the confirmation.[3]

In our telephone conversations, you also asked what is the appropriate securities description for securities that are advance refunded in this manner. Rules G-12(c)(v)(E) and G-15(a)(i)(E)[†] require that confirmations of securities that are "prerefunded" include a notation of this fact along with the date of "maturity" that has been fixed by the advance refunding and the redemption price. The rules also state that securities that are redeemable prior to maturity must be described as "callable".[4] In addition, rules G-12(c)(vi)(I) and G-15(a)(iii)(J)[‡] state that confirmations must include information not specifically required by the rules if the information is necessary to ensure that the parties agree to the details of the transaction. Since, in this case, only a portion of the issue will be chosen by lot and redeemed at a premium price under the prerefunding, this fact must be noted on the confirmation. As an example, the issue could be described as "partially prerefunded to [redemption date] at [premium price] to be chosen by lot-callable." The notation of this fact must be included within the securities description shown on the front of the confirmation. MSRB Interpretation of August 15, 1989.

[1] In some issues, a sinking fund redemption operates prior to the optional call date, while, in others, the sinking fund redemption does not begin until on or after that date.

[2] See [Rule G-15 Interpretation –] Notice of December 10, 1980, Concerning Pricing to Call, MSRB Manual, paragraph 3571.

[3] These rules on pricing partially prerefunded securities with sinking funds are set forth in [Rule G-15 Interpretive Letter – Disclosure of pricing: calculating the dollar price of partially prerefunded bonds,] MSRB  interpretation of May 15, 1986, MSRB Manual, paragraph 3571.26.

[4] The Board has published an interpretive notice providing specific guidance on the confirmation of advanced refunded securities that are callable pursuant to an optional call. See Application of Rules G-12(c) and G-15(a) on Confirmation Disclosure of Escrowed-to-Maturity Securities [in Rule G-17 Interpretation – Notice of Interpretation on Escrowed-to-Maturity Securities: Rules G-17, G-12 and G-15], MSRB Manual, paragraph 3581.

[*] [Currently codified at rule G-15(a)(i)(A)(5)(c)(i)] 

[†] [Currently codified at rule G-15(a)(i)(C)(3)(a)]

[‡] [Currently codified at rule G-15(a)(i)(A)(8)]

Calculation of Price and Yield on Continuously Callable Securities. This will respond to your letter of May 30, 1989, relating to the calculation of price and yield in transactions involving municipal securities which can be called by the issuer at any time after the first optional "in-whole" call date. The Board reviewed your letter at its August 1989 meeting and has authorized this response.

Rules G-12(c) and G-15(a) govern inter-dealer and customer confirmations, respectively. For transactions executed on a yield basis, rules G-12(c)(v)(l) and G-15(a)(v)(l)[*] require the dollar price computed from yield and shown on the confirmation to be computed to the lower of call or maturity. The rules also require the call date and price to be shown on the confirmation when securities are priced to a call date.

In computing price to call, only "in-whole" calls, of the type which may be exercised in the event of a refunding, should be used.[1] The "in-whole" call producing the lowest price must be used when computing price to call. If there is a series of "in-whole" call dates with declining premiums, a calculation to the first premium call date generally will produce the lowest price to call. However, in certain circumstances involving premiums which decline steeply over a short time, an "intermediate" call date--a date on which a lower premium or par call becomes operative--may produce the lowest price. Dealers must calculate prices to intermediate call dates when this is the case.[2] Identical rules govern the computation and display of yield to call and yield to maturity, as required on customer confirmations under rule G-15(a).

The issues that you describe are callable at declining premiums, in part or in whole, at any time after the first optional call date. There is no restriction on the issuer in exercising a call after this date except for the requirement to give 30 to 60 days notice of the redemption. Since this "continuous" call provision is an "in-whole" call of the type which may be used for a refunding, it must be considered when calculating price or yield.

The procedure for calculating price to call for these issues is the same as for other securities with declining premium calls. Dealers must take the lowest price possible from the operation of an "in-whole" call feature, compare it to the price calculated to maturity and use the lower of the two figures on the confirmation. For settlement dates prior to the first "in-whole" call, it generally should be sufficient to check the first and intermediate call dates (including the par call), determine which produces the lowest price, and compare that price to the price calculated to maturity. For settlement dates occurring after the first "in-whole" call date, it must be assumed that a notice of call could be published on the day after trade date, which would result in the redemption of the issue 31 days after trade date.[3] The price calculated to this possible redemption date should be compared to prices calculated to subsequent intermediate call dates and the lowest of these prices used as the price to call. The price computed to call then can be compared to the price computed to maturity and the lower of the two included on the confirmation. If a price to call is used, the date and redemption price of the call must be stated. Identical procedures are used for computing yield from price for display on customer confirmations under rule G-15(a).

You also have asked for the Board's interpretation of two official statements which you believe have a continuous call feature and ask whether securities with continuous call features typically are called between the normal coupon dates. The Board's rulemaking authority does not extend to the interpretation of official statements and the Board does not collect information on issuer practices in calling securities. Therefore, the Board cannot assist you with these inquiries. MSRB Interpretation of August 15, 1989.

[1] The parties to a transaction may agree at the time of trade to price securities to a date other than an "in-whole" call date or maturity. If such an agreement is reached, it must be noted on the confirmation.

[2] See [Rule G-15 Interpretation] Notice Concerning Pricing to Call, December 10, 1980, MSRB Manual (CCH) paragraph 3571.

[3] If a notice of call for the entire issue occurs on or prior to the trade date, delivery cannot be made on the transaction and it must be worked out or arbitrated by the parties. See rules G-12(e)(x)(B) and G-15(c)(viii)(B).

[*] [Currently codified at rule G-15(a)(i)(A)(5)(c)]

Review and approval of transactions.  This is in response to your letter requesting an interpretation of rule G-27(c)(ii)(B)^[*] which requires that a [designated] principal promptly review and approve, in writing, each transaction in municipal securities. You state that your firm proposes to use a system of exception reports to review the firm's municipal securities transactions each day. Each trade will be reviewed by computer pursuant to parameters established by the Compliance Department. These parameters include the size of the order (in terms of dollars as well as a percentage of the customer's net worth), the customer's income, investment objectives and age. These parameters can be changed and fine-tuned as the situation dictates. Currently, the exception report will contain all purchases in excess of $25,000 or 10 percent of the customer's stated net worth and all sales in excess of $10,000. A review of the exception report would be conducted by a municipal securities principal. Oversight of the review process, and any required follow-up, would be conducted.

Rule G-27, on supervision, requires a dealer to supervise the municipal securities activities of its associated persons and the conduct of its business. In particular, rule G-27(c)(ii)(B)^[*] requires that a [designated] principal promptly review and approve, in writing, each transaction in municipal securities. The Board believes that the requirement for written approval of each transaction by a [designated] principal is reasonable and necessary to promote proper supervision of the activities of municipal securities representatives. Among other purposes, these procedures enable [designated] principals to keep abreast of the firm's daily trading activity, to assess the appropriateness of mark-ups and mark-downs, and to assure that provisions for the prompt delivery of securities are being met. The exception reporting you propose would not comply with rule G-27(c)(ii)(B)^[*] because it would not result in review and approval of each municipal securities transaction by a [designated] principal.[1]  MSRB interpretation of July 26, 1989.

[1] While exception report review is not appropriate in complying with rule G-27(c)(vii)(B),^[*] we understand that certain dealers, with the approval of their enforcement agencies, use exception reports in their periodic review of customer accounts required by rule G-27(c)(iii).

^[*] [Currently codified at rule G-27(c)(vii)(B).]

NOTE: Revised to reflect subsequent amendments.