An Administrative Law Statute Was Passed and Proclaimed in Force

An administrative law statute was passed and proclaimed in force on January 1, 2003, that prohibited anyone from operating a pet supply business unless they were registered under the Act. Harvey operates a pet supply business. Which of the following statements is correct?

A) Harvey can ignore the law because he was carrying on his business before the law came into effect.
B) Harvey must register with the appropriate agency in order to lawfully carry on his business.
C) If Harvey ignores the law, he has violated a criminal law statute.
D) Registration is only a guideline, and registration is an option only.
E) Harvey has the option of registering with the appropriate agency in order to comply with the law.