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Title 31

Displaying title 31, up to date as of 9/10/2026. Title 31 was last amended 9/10/2026.
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  1. Title 31 —Money and Finance: Treasury
  2. Subtitle B —Regulations Relating to Money and Finance
  3. Chapter II —Fiscal Service, Department of the Treasury
  4. Subchapter A —Bureau of the Fiscal Service
  5. Part 363 —Regulations Governing Securities Held in TreasuryDirect
  6. Subpart D   View Full Text
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eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 31Money and Finance: TreasuryPart / Section
Subtitle BRegulations Relating to Money and Finance51 – 1099
Chapter IIFiscal Service, Department of the Treasury200 – 399
Subchapter ABureau of the Fiscal Service200 – 399
Part 363Regulations Governing Securities Held in TreasuryDirect363.0 – 363.252
Subpart DZero-Percent Certificate of Indebtedness363.130 – 363.152
General363.130 – 363.140
§ 363.130What does this subpart cover?
§ 363.131What is a TreasuryDirect ® zero-percent certificate of indebtedness?
§ 363.132Can the sale of the zero-percent certificate of indebtedness be suspended?
§ 363.133What happens to my zero-percent certificate of indebtedness if the offering is terminated by the Secretary?
§ 363.134What regulations cover a zero-percent certificate of indebtedness?
§ 363.135In what form is a zero-percent certificate of indebtedness issued?
§ 363.136Do zero-percent certificates of indebtedness pay interest?
§ 363.137What do I need to know about the registration of a zero-percent certificate of indebtedness?
§ 363.138Is Treasury liable for the purchase of a zero-percent certificate of indebtedness that is made in error?
§ 363.139May I transfer or deliver my zero-percent certificate of indebtedness?
§ 363.140May a zero-percent certificate of indebtedness be pledged or used as collateral?
Zero-Percent Certificate of Indebtedness363.141 – 363.145
§ 363.141How do I purchase a zero-percent certificate of indebtedness?
§ 363.142When is a zero-percent certificate of indebtedness issued?
§ 363.143How do I purchase a security using the redemption proceeds of my zero-percent certificate of indebtedness?
§ 363.144Can I redeem my zero-percent certificate of indebtedness?
§ 363.145May I delete a pending transaction involving a zero-percent certificate of indebtedness?
Payroll Zero-Percent Certificate of Indebtedness363.146 – 363.152
§ 363.146Who may purchase a payroll zero-percent certificate of indebtedness?
§ 363.147How do I purchase a payroll zero-percent certificate of indebtedness?
§ 363.148Can I redeem all or a portion of my accumulated payroll zero-percent certificate of indebtedness?
§§ 363.149-363.152 [Reserved]
eCFR Content