The Term "Tax Law" as Used in Your Textbook Includes

The term "tax law" as used in your textbook includes
I.Treasury regulations.
II.College textbooks (i.e. "Concepts in Federal Income Taxes") .
III.Internal Revenue Code of 1986.
IV.Tax related decisions of a U.S. Circuit Court of Appeals.
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A) Only statement III is correct.
B) Statements I, III, and IV are correct.
C) Statements I and III are correct.
D) Only statement II is correct.
E) All four statements are correct