---
kind: "unit"
title: "17"
title_heading: "Commodity and Securities Exchanges"
key: "chII/part300"
level: "part"
label: "Part 300"
heading: "Rules of the Securities Investor Protection Corporation"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/17/chII-part300"
sections_count: 22
---

# Part 300 — Rules of the Securities Investor Protection Corporation

Title 17 C.F.R. — Commodity and Securities Exchanges › Chapter II — Securities and Exchange Commission

## Sections

- [§300.100. General.](/cfr/17/300.100.md)
- [§300.101. Individual accounts.](/cfr/17/300.101.md)
- [§300.102. Accounts held by executors, administrators, guardians, etc.](/cfr/17/300.102.md)
- [§300.103. Accounts held by a corporation, partnership or unincorporated association.](/cfr/17/300.103.md)
- [§300.104. Trust accounts.](/cfr/17/300.104.md)
- [§300.105. Joint accounts.](/cfr/17/300.105.md)
- [§300.200. General.](/cfr/17/300.200.md)
- [§300.201. Accounts introduced by same or different broker or dealer.](/cfr/17/300.201.md)
- [§300.300. Definitions.](/cfr/17/300.300.md)
- [§300.301. Contracts to be closed out or completed.](/cfr/17/300.301.md)
- [§300.302. Mechanics of closeout or completion.](/cfr/17/300.302.md)
- [§300.303. Report to trustee.](/cfr/17/300.303.md)
- [§300.304. Retained rights of brokers or dealers.](/cfr/17/300.304.md)
- [§300.305. Excluded contracts.](/cfr/17/300.305.md)
- [§300.306. Completion or closeout pursuant to SIPC direction.](/cfr/17/300.306.md)
- [§300.307. Completion with cash or securities of customer.](/cfr/17/300.307.md)
- [§300.400. Satisfaction of customer claims for standardized options.](/cfr/17/300.400.md)
- [§300.500. General.](/cfr/17/300.500.md)
- [§300.501. Claim for cash.](/cfr/17/300.501.md)
- [§300.502. Claim for securities.](/cfr/17/300.502.md)
- [§300.503. Voidable securities transactions.](/cfr/17/300.503.md)
- [§300.600. Rules relating to supplemental report on SIPC membership.](/cfr/17/300.600.md)