(A) Within ten business days of receiving from the committee either a recommendation to impose a fine or penalty or a determination that no enforcement action should be taken, the staff will serve upon the participants a letter notifying the participants of any fine or penalty or of a no-enforcement determination. Service of the letter is effective upon mailing by ordinary or certified United States mail. The letter shall include all of the following, as applicable:
(1) The date of the compliance failure.
(2) The citation to the statute that was not complied with.
(3) A brief description of the compliance failure.
(4) The fine or penalty to be imposed, if any.