(a) This section applies to all individuals who hold a certificate under part 61 of this chapter and who are subject to drug and alcohol testing under this part.

(b) Refusal by the holder of a certificate issued under part 61 of this chapter to take a drug or alcohol test required under the provisions of this part is grounds for:

(1) Denial of an application for any certificate, rating, or authorization issued under part 61 of this chapter for a period of up to 1 year after the date of such refusal; and

(2) Suspension or revocation of any certificate, rating, or authorization issued under part 61 of this chapter.