TITLE 31 - US CODE - SUBCHAPTER I - BORROWING AUTHORITY

31 USC 3101 - Public debt limit

(a) In this section, the current redemption value of an obligation issued on a discount basis and redeemable before maturity at the option of its holder is deemed to be the face amount of the obligation.
(b) The face amount of obligations issued under this chapter and the face amount of obligations whose principal and interest are guaranteed by the United States Government (except guaranteed obligations held by the Secretary of the Treasury) may not be more than $9,815,000,000,000, outstanding at one time, subject to changes periodically made in that amount as provided by law through the congressional budget process described in Rule XLIX[1] of the Rules of the House of Representatives or otherwise.
(c) For purposes of this section, the face amount, for any month, of any obligation issued on a discount basis that is not redeemable before maturity at the option of the holder of the obligation is an amount equal to the sum of
(1) the original issue price of the obligation, plus
(2) the portion of the discount on the obligation attributable to periods before the beginning of such month (as determined under the principles of section 1272(a) of the Internal Revenue Code of 1986 without regard to any exceptions contained in paragraph (2) of such section).
[1] See References in Text note below.

31 USC 3102 - Bonds

(a) With the approval of the President, the Secretary of the Treasury may borrow on the credit of the United States Government amounts necessary for expenditures authorized by law and may issue bonds of the Government for the amounts borrowed and may buy, redeem, and make refunds under section 3111 of this title. The Secretary may issue bonds authorized by this section to the public and to Government accounts at any annual interest rate and prescribe conditions under section 3121 of this title.
(b) The Secretary shall offer the bonds authorized under this section first as a popular loan under regulations of the Secretary that allow the people of the United States as nearly as possible an equal opportunity to participate in subscribing to the offered bonds. However, the bonds may be offered in a way other than as a popular loan when the Secretary decides the other way is in the public interest.
(c) 
(1) When the Secretary decides it is in the public interest in making a bond offering under this section, the Secretary may
(A) make full allotments on receiving applications for smaller amounts of bonds to subscribers applying before the closing date the Secretary sets for filing applications;
(B) reject or reduce allotments on receiving applications filed after the closing date or for larger amounts;
(C) reject or reduce allotments on receiving applications from incorporated banks and trust companies for their own account and make full allotments or increase allotments to other subscribers; and
(D) prescribe a graduated scale of allotments.
(2) The Secretary shall prescribe regulations applying to all popular loan subscribers similarly situated governing a reduction or increase of an allotment under paragraph (1) of this subsection.
(d) The Secretary may make special arrangements for subscriptions from members of the armed forces. However, bonds issued to those members must be the same as other bonds of the same issue.
(e) The Secretary may dispose of any part of a bond offering not taken and may prescribe the price and way of disposition.

31 USC 3103 - Notes

(a) With the approval of the President, the Secretary of the Treasury may borrow on the credit of the United States Government amounts necessary for expenditures authorized by law and may issue notes of the Government for the amounts borrowed and may buy, redeem, and make refunds under section 3111 of this title. The Secretary may prescribe conditions under section 3121 of this title. Notwithstanding section 3121 (a)(5) of this title, the payment date of each series of notes issued shall be at least one year but not more than 10 years from the date of issue.
(b) The Government may redeem any part of a series of notes before maturity by giving at least 4 months notice but not more than one years notice.
(c) The holder of a note of one series issued under this section with the same issue date as another series of notes issued under this section may convert, at par value, a note of the holder for a note of the other series.

31 USC 3104 - Certificates of indebtedness and Treasury bills

(a) The Secretary of the Treasury may borrow on the credit of the United States Government amounts necessary for expenditures authorized by law and may buy, redeem, and make refunds under section 3111 of this title. For amounts borrowed, the Secretary may issue
(1) certificates of indebtedness of the Government; and
(2) Treasury bills of the Government.
(b) The Secretary may prescribe conditions for issuing certificates of indebtedness and Treasury bills under section 3121 of this title and conditions under which the certificates and bills may be redeemed before maturity. Notwithstanding section 3121 (a)(5) of this title, the payment date of certificates of indebtedness and Treasury bills may not be more than one year after the date of issue.
(c) Treasury bills issued under this section may not be accepted before maturity to pay principal or interest on obligations of governments of foreign countries that are held by the United States Government.

31 USC 3105 - Savings bonds and savings certificates

(a) With the approval of the President, the Secretary of the Treasury may issue savings bonds and savings certificates of the United States Government and may buy, redeem, and make refunds under section 3111 of this title. Proceeds from the bonds and certificates shall be used for expenditures authorized by law. Savings bonds and certificates may be issued on an interest-bearing basis, on a discount basis, or on an interest-bearing and discount basis. Savings bonds shall mature not more than 20 years from the date of issue. Savings certificates shall mature not more than 10 years from the date of issue. The difference between the price paid and the amount received on redeeming a savings bond or certificate is interest under the Internal Revenue Code of 1986 (26 U.S.C. 1 et seq.).
(b) 
(1) The Secretary may
(A) fix the investment yield for savings bonds; and
(B) change the investment yield on an outstanding savings bond, except that the yield on a bond for the period held may not be decreased below the minimum yield for the period guaranteed on the date of issue.
(2) The Secretary may prescribe regulations providing that
(A) owners of savings bonds may keep the bonds after maturity or after a period beyond maturity during which the bonds have earned interest and continue to earn interest at rates consistent with paragraph (1) of this subsection; and
(B) savings bonds earning a different rate of interest before the regulations are prescribed shall earn a rate of interest consistent with paragraph (1).
(c) The Secretary may prescribe for savings bonds and savings certificates issued under this section
(1) the form and amount of an issue and series;
(2) the way in which they will be issued;
(3) the conditions, including restrictions on transfer, to which they will be subject;
(4) conditions governing their redemption;
(5) their sales price and denominations;
(6) a way to evidence payments for or on account of them and to provide for the exchange of savings certificates for savings bonds; and
(7) the maximum amount issued in a year that may be held by one person.
(d) The Secretary may authorize financial institutions to make payments to redeem savings bonds and savings notes. A financial institution may be a paying agent only if the institution
(1) is incorporated under the laws of the United States, a State, the District of Columbia, or a territory or possession of the United States;
(2) in the usual course of business accepts, subject to withdrawal, money for deposit or the purchase of shares;
(3) is under the supervision of a banking authority of the jurisdiction in which it is incorporated;
(4) has a regular office to do business; and
(5) is qualified under regulations prescribed by the Secretary in carrying out this subsection.
(e) 
(1) The Secretary may prescribe a way in which a check issued to an individual (except a trust or estate) as a refund for taxes imposed under subtitle A of the Internal Revenue Code of 1986 (26 U.S.C. 1 et seq.) may become a series E savings bond. However, a check may become a bond only if the claim for a refund is filed by the last day prescribed by law for filing the return (determined without any extensions) for the taxable year for which the refund is made. The Secretary may prescribe the time and way in which the check becomes a bond.
(2) A bond issued under this subsection is deemed to be a series E bond issued under this section, except that the bond shall bear an issue date of the first day of the first month beginning after the close of the taxable year for which the bond is issued. The Secretary also may provide that a bond issued to joint payees may be redeemed by either payee alone.

31 USC 3106 - Retirement and savings bonds

(a) With the approval of the President, the Secretary of the Treasury may issue retirement and savings bonds of the United States Government and may buy, redeem, and make refunds under section 3111 of this title. The proceeds from the bonds shall be used for expenditures authorized by law. Retirement and savings bonds may be issued only on a discount basis. The maturity period of the bonds shall be at least 10 years from the date of issue but not more than 30 years from the date of issue. The difference between the price paid and the amount received on redeeming a bond is interest under the Internal Revenue Code of 1986 (26 U.S.C. 1 et seq.).
(b) With the approval of the President, the Secretary may allow owners of retirement and savings bonds to keep the bonds after maturity and continue to earn interest on them at rates that are consistent with the rate of investment yield provided by retirement and savings bonds.
(c) Section 3105 (c)(1)(5) of this title applies to this section. Sections 3105 (c)(6) and (d) and 3126 of this title apply to this section to the extent consistent with this section. The Secretary may prescribe the maximum amount of retirement and savings bonds issued under this section in a year that may be held by one person. However, the maximum amount shall be at least $3,000.

31 USC 3107 - Increasing interest rates and investment yields on retirement bonds

With the approval of the President, the Secretary of the Treasury may increase by regulation the interest rate or investment yield on an offering of bonds issued under this chapter that are described in sections 405(b) and 409(a) of the Internal Revenue Code of 1954 (26 U.S.C. 405 (b), 409 (a)), as in effect before the enactment of the Tax Reform Act of 1984. The increased yield shall be for interest accrual periods specified in the regulations so that the interest rate or investment yield on the bonds for those periods is consistent with the interest rate or investment yield on a new offering of those bonds.

31 USC 3108 - Prohibition against circulation privilege

An obligation issued under sections 3102–3104(a)(1) and 3105–3107 of this title may not bear the circulation privilege.

31 USC 3109 - Tax and loss bonds

(a) The Secretary of the Treasury may issue tax and loss bonds of the United States Government and may buy, redeem, and make refunds under section 3111 of this title. The proceeds of the tax and loss bonds shall be used for expenditures authorized by law. Tax and loss bonds are nontransferrable except as provided by the Secretary, bear no interest, and shall be issued in amounts needed to allow persons to comply with section 832(e) of the Internal Revenue Code of 1986 (26 U.S.C. 832 (e)). The Secretary may prescribe the amount of tax and loss bonds and the conditions under which the bonds will be issued as required by section 832 (e).
(b) For a taxable year in which amounts are deducted from the mortgage guaranty account referred to in section 832(e)(3) of the Internal Revenue Code of 1986 (26 U.S.C. 832 (e)(3)), an amount of tax and loss bonds bought under section 832(e)(2) of the Internal Revenue Code of 1986 (26 U.S.C. 832 (e)(2)) shall be redeemed for the amount deducted from the account. The amount redeemed shall be applied as necessary to pay taxes due because of the inclusion under section 832(b)(1)(E) of the Internal Revenue Code of 1986 (26 U.S.C. 832 (b)(1)(E)) of amounts in gross income. The Secretary also may prescribe additional ways to redeem the bonds.

31 USC 3110 - Sale of obligations of governments of foreign countries

(a) With the approval of the President, the Secretary of the Treasury may sell obligations of the government of a foreign country when the obligations were acquired under
(1) the First Liberty Bond Act and matured before June 16, 1947;
(2) the Second Liberty Bond Act and matured before October 16, 1938; or
(3) section 7(a) of the Victory Liberty Loan Act.
(b) The Secretary may prescribe the conditions and frequency for receiving payment under obligations of a government of a foreign country acquired under the laws referred to in subsection (a) of this section. A sale of an obligation acquired under those Acts shall at least equal the purchase price and accrued interest. The proceeds of obligations sold under this section and payments received from governments on the principal of their obligations shall be used to redeem or buy (for not more than par value and accrued interest) bonds of the United States Government issued under this chapter. If those bonds cannot be redeemed or bought, the Secretary shall redeem or buy other outstanding interest-bearing obligations of the Government that are subject to redemption or which can be bought at not more than par value and accrued interest.

31 USC 3111 - New issue used to buy, redeem, or refund outstanding obligations

An obligation may be issued under this chapter to buy, redeem, or refund, at or before maturity, outstanding bonds, notes, certificates of indebtedness, Treasury bills, or savings certificates of the United States Government. Under regulations of the Secretary of the Treasury, money received from the sale of an obligation and other money in the general fund of the Treasury may be used in making the purchases, redemptions, or refunds.

31 USC 3112 - Sinking fund for retiring and cancelling bonds and notes

(a) The Department of the Treasury has a sinking fund for retiring bonds and notes issued under this chapter. Amounts in the fund are appropriated for payment of bonds and notes at maturity or for their redemption or purchase before maturity by the Secretary of the Treasury. The fund is available until all the bonds and notes are retired.
(b) For each fiscal year, an amount is appropriated equal to
(1) the interest that would have been payable during the fiscal year for which the appropriation is made on the bonds and notes bought, redeemed, or paid out of the fund during that or prior years;
(2) 2.5 percent of the total amount of bonds and notes issued under the First Liberty Bond Act, the Second Liberty Bond Act, the Third Liberty Bond Act, the Fourth Liberty Bond Act, and the Victory Liberty Loan Act and outstanding on July 1, 1920, less an amount equal to the par amount of obligations of governments of foreign countries that the United States Government held on July 1, 1920; and
(3) 2.5 percent of the total amount expended after June 29, 1933, from appropriations made or authorized in sections 301 and 302 of the Emergency Relief and Construction Act of 1932.
(c) The Secretary may prescribe the price and conditions for paying, redeeming, and buying bonds and notes under this section. The average cost of bonds and notes bought under this section may not be more than par value and accrued interest. Bonds and notes bought, redeemed, or paid out of the sinking fund must be canceled and retired and may not be reissued.

31 USC 3113 - Accepting gifts

(a) To provide the people of the United States with an opportunity to make gifts to the United States Government to be used to reduce the public debt
(1) the Secretary of the Treasury may accept for the Government a gift of
(A) money made only on the condition that it be used to reduce the public debt;
(B) an obligation of the Government included in the public debt made only on the condition that the obligation be canceled and retired and not reissued; and
(C) other intangible personal property made only on the condition that the property is sold and the proceeds from the sale used to reduce the public debt; and
(2) the Administrator of General Services may accept for the Government a gift of tangible property made only on the condition that it be sold and the proceeds from the sale be used to reduce the public debt.
(b) The Secretary and the Administrator each may reject a gift under this section when the rejection is in the interest of the Government.
(c) The Secretary and the Administrator shall convert a gift either of them accepts under subsection (a)(1)(C) or (2) of this section to money on the best terms available. If a gift accepted under subsection (a) of this section is subject to a gift or inheritance tax, the Secretary or the Administrator may pay the tax out of the proceeds of the gift or the proceeds of the redemption or sale of the gift.
(d) The Treasury has an account into which money received as gifts and proceeds from the sale or redemption of gifts under this section shall be deposited. The Secretary shall use the money in the account to pay at maturity, or to redeem or buy before maturity, an obligation of the Government included in the public debt. An obligation of the Government that is paid, redeemed, or bought with money from the account shall be canceled and retired and may not be reissued. Money deposited in the account is appropriated and may be expended to carry out this section.
(e) 
(1) The Secretary shall redeem a direct obligation of the Government bearing interest or sold on a discount basis on receiving it when the obligation
(A) is given to the Government;
(B) becomes the property of the Government under the conditions of a trust; or
(C) is payable on the death of the owner to the Government (or to an officer of the Government in the officers official capacity).
(2) If the gift or transfer to the Government is subject to a gift or inheritance tax, the Secretary shall pay the tax out of the proceeds of redemption.