(1) This section applies if—(a) a police officer starts or continues a proceeding for an indictable offence against an adult by arrest; or(b) a police officer starts a proceeding for an indictable offence against an adult by a notice to appear or complaint and summons.
(2) A police officer may detain the person for the time reasonably necessary to take a DNA sample from the person and, if necessary, take the person to a place mentioned in section 477 (a) , (b) or (d) for the purpose.
(3) A DNA sampler may take a DNA sample for DNA analysis from a person detained under this section.