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## Electronic Code of Federal Regulations
Title 31: Money and Finance: Treasury
## Subpart E—InterestContents §306.35 Computation of interest. §306.36 Termination of interest. §306.37 Interest on registered securities. §306.38 Interest on bearer securities. Appendix to Subpart E of Part 306—Interest—Computation of Interest on Treasury Bonds, Treasury Notes, and Treasury Certificates of Indebtedness, and Computation of Discount on Treasury Bills—Interest Tables ## §306.35 Computation of interest.The interest on Treasury securities accrues and is payable on a semiannual basis unless otherwise provided in the circular offering them for sale or exchange. If the period of accrual is an exact 6 months, the interest accrual is an exact one-half year's interest without regard to the number of days in the period. If the period of accrual is less than an exact 6 months, the accrued interest is computed by determining the daily rate of accrual on the basis of the exact number of days in the full interest period and multiplying the daily rate by the exact number of days in the fractional period for which interest has actually accrued. A full interest period does not include the day as of which securities were issued or the day on which the last preceding interest became due, but does include the day on which the next succeeding interest payment is due. A fractional part of an interest period does not include the day as of which the securities were issued or the day on which the last preceding interest payment became due, but does include the day as of which the transaction terminating the accrual of interest is effected. The 29th of February in a leap year is included whenever it falls within either a full interest period or a fractional part thereof.7 7The appendix to this subpart contains a complete explanation of the method of computing interest on a semiannual basis on Treasury bonds, notes, and certificates of indebtedness, and an outline of the method of computing the discount rates on Treasury bills. Also included are tables of computation of interest on semiannual and annual basis. ## §306.36 Termination of interest.Securities will cease to bear interest on the date of their maturity unless they have been called for redemption before maturity in accordance with their terms, or are presented and surrendered for redemption-exchange or exchange pursuant to an advance refunding or prerefunding offer, in which case they will cease to bear interest on the date of call, or the exchange date, as the case may be. ## §306.37 Interest on registered securities.(a) Method of payment. The interest on registered securities is payable by checks drawn on the United States Treasury to the order of the registered owners, except as otherwise provided herein. Interest checks are prepared by the Department in advance of the interest payment data and are ordinarily mailed in time to reach the addresses on that date. Interest on a registered security which has not matured or been called and which is presented for any transaction during the period the books for that loan are closed will be paid by check drawn to the order of the registered owner of record. Upon receipt of notice of the death or incompetency of an individual named as registered owner, a change in the name or in the status of a partnership, corporation, or unincorporated association, the removal, resignation, succession, or death of a fiduciary or trustee, delivery of interest checks will be withheld pending receipt and approval of evidence showing who is entitled to receive the interest checks. If the inscriptions on securities do not clearly identify the owners, delivery of interest checks will be withheld pending reissue of the securities in the correct registration. The final installment of interest, unless otherwise provided in the offering circular or notice of call, will be paid by check drawn to the order of the registered owner of record and mailed in advance of the interest payment date in time to reach the addressee on or about that date. Interest on securities presented for prerefunding or advance refunding will be adjusted as provided in the prerefunding or advance refunding offer. (b) Change of address. To assure timely delivery of interest checks, owners should promptly notify the Bureau of any change of address. (Form PD 345 may be used.) The notification must be signed by the registered owner or a joint owner or an authorized representative, and should show the owner's taxpayer identifying number, the old and new addresses, the serial number and denomination of each security, the titles of the securities (for example: 41⁄4 percent Treasury Bonds of 1987-92, dated August 15, 1962), and the registration of each security. Notifications by attorneys in fact, trustees, or by the legal representatives of the estates of deceased, incompetent, or minor owners should be supported by proof of their authority, unless, in the case of trustees or legal representatives, they are named in the registration. (c) Collection of interest checks—(1) General. Interest checks may be collected in accordance with the regulations governing the endorsement and payment of Government warrants and checks, which are contained in the current revision of Department Circular No. 21 (part 240 of this chapter). (2) By voluntary guardians of incompetents. Interest checks drawn to the order of a person who has become incompetent and for whose estate no legal guardian or similar representative has been appointed should be returned to the Bureau with a full explanation of the circumstances. For collection of interest, the Department will recognize the relative responsible for the incompetent's care and support or some other person as voluntary guardian for the incompetent. (Application may be made on Form PD 1461.) (d) Nonreceipt, loss, theft, or destruction of interest checks. If an interest check is not received within a reasonable period after an interest payment date, or if a check is lost, stolen, or destroyed after receipt, notification should be sent to the Bureau of the Fiscal Service, Division of Customer Service, Parkersburg, WV 26102. Notification should include the name and address of the owner, his taxpayer identifying number, and the serial number, denomination, and title of the security upon which the interest was payable. If the check is subsequently received or recovered, the Bureau should be notified. [38 FR 7078, Mar. 15, 1973, as amended at 64 FR 38126, July 15, 1999] ## §306.38 Interest on bearer securities.Unless the offering circular and notice of call provide otherwise, interest on coupon securities is payable in regular course of business upon presentation and surrender of the interest coupons as they mature. Such coupons are payable at participating Federal Reserve banks or by the Bureau.8 Interest on Treasury bills, and any other bearer securities which may be sold and issued on a discount basis and which are payable at par at maturity, is represented by the difference between the purchase price and the par value, and no coupons are attached. 8Banking institutions will usually cash the coupons without charge as an accommodation to their customers. [38 FR 7078, Mar. 15, 1973, as amended at 64 FR 38126, July 15, 1999] ## Appendix to Subpart E of Part 306—Interest—Computation of Interest on Treasury Bonds, Treasury Notes, and Treasury Certificates of Indebtedness, and Computation of Discount on Treasury Bills—Interest Tables## computation of interest on annual basis## One Day's Interest is 1⁄365 or 1⁄366 of 1-Year's InterestComputation of interest on Treasury bonds, notes, and certificates of indebtedness will be made on an annual basis in all cases where interest is payable in one amount for the full term of the security, unless such term is an exact half-year (6 months), and it is provided that interest shall be computed on a semi-annual basis. If the term of the securities is exactly 1 year, the interest is computed for the full period at the specified rate regardless of the number of days in such period. If the term of the securities is less than 1 full year, the annual interest period for purposes of computation is considered to be the full year from but not including the date of issue to and including the anniversary of such date. If the term of the securities is more than 1 full year, computation is made on the basis of one full annual interest period, ending with the maturity date, and a fractional part of the preceding full annual interest period. The computation of interest for any fractional part of an annual interest period is made on the basis of 365 actual days in such period, or 366 days if February 29 falls within such annual period. ## computation of interest on semiannual basis## One Day's Interest is 1⁄181 , 1⁄182 , 1⁄183 or 1⁄184 or 1⁄2 Year's InterestComputation of interest on Treasury bonds, notes, and certificates of indebtedness will be made on a semiannual basis in all cases where interest is payable for one or more full half-year (6 months) periods, or for one or more full half-year periods and a fractional part of a half-year period. A semiannual interest period is an exact half-year or 6 months, for computation purposes, and may comprise 181, 182, 183 or 184 actual days. An exact half-year's interest at the specified rate is computed for each full period of exactly 6 months, irrespective of the actual number of days in the half-year. If the initial interest covers a fractional part of a half-year, computation is made on the basis of the actual number of days in the half-year (exactly 6 months) ending on the day such initial interest becomes due. If the initial interest covers a period in excess of 6 months, computation is made on the basis of one full half-year, ending with the interest due date, and a fractional part of the preceding full half-year period. Interest for any fractional part of a full half-year period is computed on the basis of the exact number of days in the full period, including February 29 whenever it falls within such a period. The number of days in any half-year period is shown in the following table: For the Half-Year
The following are dates for end-of-the-month interest computations.
## use of interest tablesIn the appended tables decimals are set forth for use in computing interest for fractional parts of interest periods. The decimals cover interest on $1,000 for 1 day in each possible semiannual (Table I), and annual (Table II) interest period, at all rates of interest, in steps of 1⁄8 percent, from 1⁄8 to 9 percent. The amount of interest accruing on any date (for a fractional part of an interest period) on $1,000 face amount of any issue of Treasury bonds, Treasury notes, or Treasury certificates of indebtedness may be ascertained in the following way: (1) The date of issue, the dates for the payment of interest, the basis (semiannual or annual) upon which interest is computed, and the rate of interest (percent per annum) may be determined from the text of the security, or from the official circular governing the issue. (2) Determine the interest period of which the fraction is a part, and calculate the number of days in the full period to determine the proper column to be used in selecting the decimal for 1 day's interest. (3) Calculate the actual number of days in the fractional period from but not including the date of issue or the day on which the last preceding interest payment was made, to and including the day on which the next succeeding interest payment is due or the day as of which the transaction which terminates the accrual of additional interest is effected. (4) Multiply the appropriate decimal (1 day's interest on $1,000) by the number of days in the fractional part of the interest period. The appropriate decimal will be found in the appended table for interest payable semiannually or annually, as the case may be, opposite the rate borne by the security, and in the column showing the full interest period of which the fractional period is a part. (For interest on any other amount, multiply the amount of interest on $1,000 by the other amount expressed as a decimal of $1,000.) ## treasuryThe methods of computing discount rates on U.S. Treasury bills are given below: Computation will be made on an annual basis in all cases. The annual period for bank discount is a year of 360 days, and all computations of such discount will be made on that basis. The annual period for true discount is 1 full year from but not including the date of issue to and including the anniversary of such date. Computation of true discount for a fractional part of a year will be made on the basis of 365 days in the year, or 366 days if February 29 falls within the year. ## bank discountThe bank discount rate on a Treasury bill may be ascertained by: (1) Subtracting the sale price of the bill from its face value to obtain the amount of discount; (2) dividing the amount of discount by the number of days the bill is to run to obtain the amount of discount per day; (3) multiplying the amount of discount per day by 360 (the number of days in a commercial year of 12 months of 30 days each) to obtain the amount of discount per year; and (4) dividing the amount of discount per year by the face value of the bill to obtain the bank discount rate. For example:
## true discountThe true discount rate on a Treasury bill of not more than one-half year in length may be ascertained by (1 and 2) obtaining the amount of discount per day by following the first two steps described under “Bank Discount”; (3) multiplying the amount of discount per day by the actual number of days in the year from date of issue (365 ordinarily, but 366 if February 29 falls within the year from date of issue) to obtain the amount of discount per year; and (4) dividing the amount of discount per year by the sale price of the bill to obtain the true discount rate. For example:
Table I—Decimal for 1 Day's Interest on $1,000 at Various Rates of Interest, Payable Semiannually or on a Semiannual Basis, in Regular Years of 365 Days and in Leap Years of 366 Days (to Determine Applicable Number of Days, See “Computation of Interest on Semiannual Basis”)
Table II—Decimal for 1 Day's Interest on $1,000 at Various Rates of Interest, Payable Annually or on an Annual Basis, in Regular Years of 365 Days and in Leap Years of 366 Days
[38 FR 7078, Mar. 15, 1973; 38 FR 8153, Mar. 29, 1973; 38 FR 10004, Apr. 23, 1973, as amended at 44 FR 34125, June 14, 1979] |