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Financial encyclopediaReviewed 2026-10-23

Rule 506 of Regulation D

Rule 506 of Regulation D provides two distinct exemptions from registration for companies when they offer and sell securities. Companies relying on the Rule 506 exemptions can raise an unlimited amount of money.

Sources and references ↗
PROFILE / FACT FILE

Concept at a glance

Term
Rule 506 of Regulation D [1]
Subject area
Investor.gov glossary [1]
Jurisdiction / scope
US regulatory and investor-education context [1]
Primary reference
SEC · Investor.gov [1]

Definition and explanation

Rule 506 of Regulation D provides two distinct exemptions from registration for companies when they offer and sell securities. Companies relying on the Rule 506 exemptions can raise an unlimited amount of money. [1]

Under Rule 506(b), a “safe harbor” under Section 4(a)(2) of the Securities Act, a company can be assured it is within the Section 4(a)(2) exemption by satisfying certain requirements, including the following: [1]

Under Rule 506(c), a company can broadly solicit and generally advertise the offering and still be deemed to be in compliance with the exemption’s requirements if: [1]

Purchasers of securities offered pursuant to Rule 506 receive "restricted" securities , meaning that the securities cannot be sold for at least six months or a year without registering them. [1]

Companies that comply with the requirements of Rule 506(b) or (c) do not have to register their offering of securities with the SEC, but they must file what is known as a " Form D " electronically with the SEC after they first sell their securities. Form D is a brief notice that includes the names and addresses of the company’s promoters, executive officers and directors, and some details about the offering, but contains little other information about the company.  You can access the SEC’s EDGAR database to determine whether the company has filed a Form D. [1]

Be sure to ask whether your state regulator has received notice of the offering for sale in your state. You can get the address and telephone number for your state securities regulator by calling the North American Securities Administrators Association at (202) 737-0900 or by visiting its website . [1]

Source-supported connections

Rule 506 of Regulation D → Mentioned in the official explanation → EDGAR [1]
Rule 506 of Regulation D → Mentioned in the official explanation → Form D [1]

Frequently asked questions

What does Rule 506 of Regulation D mean in the cited reference?

Rule 506 of Regulation D provides two distinct exemptions from registration for companies when they offer and sell securities. Companies relying on the Rule 506 exemptions can raise an unlimited amount of money. [1]

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Sources and review dates

  1. US SEC · Investor.gov — Rule 506 of Regulation D ↗

Reviewed 23 October 2026. Historical dates and award-time affiliations retain their original context. A review date is not an event date. Background sources are identified separately from official records.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.