(a) If a licensee does not wish to contest a citation, he may transmit to the Department, within four business days, after the issuance of the citation the sum of $1,000 for each class “A” violation and the sum of $50 for each class “B” violation.

(b) If a licensee desires to contest a citation, the assessment of a proposed civil penalty, or the date specified for correction of a violation, he shall, within four business days after service of the citation or assessment of the proposed civil penalty, as the case may be, serve upon the district administrator, or his designee, either personally or by registered or certified mail, the licensee's written notice that: