Which of the Following Is a Correct Statement Regarding Form

Which of the following is a correct statement regarding form requirements for a valid assignment?

A) In order for an assignment to be valid,a UCC 2-301 compliance statement is required.
B) In order for an assignment to be valid,a UCC 4-305 perfection statement is required.
C) In order for an assignment to be valid,a Business Form 2-547 must be executed by the assignor.
D) In order for an assignment to be valid,a Business Form 4-298 must be executed by the obligor (the other party to the original contract who owes a duty to the assignee) .
E) No form is required for an assignment to be valid.