Task: Instance Description Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following definitions best describes the instance 'SEC Rule 201'?

A. securities regulation defining an exemption through which corporations do not have to register their securities and usually do not have to file reports with the SEC
B. securities regulation that is a U.S. Treasury Regulation section 1.163-5(c)(2)(i)(D), or any successor regulation, established under the Tax Equity and Fiscal Responsibility Act of 1982 (TEFRA), that relates to the classification of debt obligations as either 'bearer' or 'registered' for U.S. tax purposes, applies to most straightforward issues of bearer debt in the Euromarkets, and ensures that an issue of bearer debt satisfied 'reasonable arrangement' requirements
C. securities regulation that is a provision under the Investment Company Act of 1940 that allows certain privately offered funds to operate without registering with the SEC
D. securities regulation that is part of Regulation SHO that is a circuit breaker limiting short sales to prevent them from causing a security's price to drop further after a significant decline

Answer: securities regulation that is part of Regulation SHO that is a circuit breaker limiting short sales to prevent them from causing a security's price to drop further after a significant decline