(1) A DNA sample to which section 64 applies must be destroyed—
(a) as soon as a DNA profile has been derived from the sample, or
(b) if sooner, before the end of the period of 6 months beginning with the date on which the sample was taken.
(2) Any other sample to which section 64 applies must be destroyed before the end of the period of 6 months beginning with the date on which it was taken.