Ruby is taking a class to prepare for the SIE exam. Professor Peters asks her to explain to the class Regulation T and the regular$-$way settlement. Ruby should tell the class that all of the following statements are correct except:

Question $15$ options:

A$)$

Regulation T is a regulation of the Federal Reserve

B$)$

A customer purchasing stocks in a margin account must pay in full under Regulation T$.$

C$)$

Regular$-$way settlement date for stocks is three calendar days following trade date.

D$)$

Regular$-$way settlement date for stocks is one business day following trade date.