---
kind: "section"
citation: "31 C.F.R. § 363.201"
title: "31"
number: "363.201"
heading: "What other regulations govern book-entry marketable book-entry Treasury bills, notes, and bonds?"
url: "https://uscodex.org/cfr/31/363.201"
---

# §363.201. What other regulations govern book-entry marketable book-entry Treasury bills, notes, and bonds?

- (a) [31 CFR part 356](/cfr/31/part356.md) governs the sale and issue of marketable book-entry Treasury securities on or after March 1, 1993, whether held in TreasuryDirect ®, Legacy Treasury Direct, or the commercial book-entry system.
- (b) [31 CFR part 357](/cfr/31/part357.md) governs holding marketable book-entry Treasury bills, notes, and bonds in the Legacy Treasury Direct system and in the commercial book-entry system.

## Notes

### Source

Source: 70 FR 57444, Sept. 30, 2005, unless otherwise noted.

### Authority

Authority: 5 U.S.C. 301; 12 U.S.C. 391; 31 U.S.C. 3102, et seq.; 31 U.S.C. 3121, et seq.

### Source

Source: 67 FR 64286, Oct. 17, 2002, unless otherwise noted.