Sch 2A para 1
(1) A constable may require a person to attend a police station for the purpose of taking his fingerprints under section 61(5A). (2) The power under sub-paragraph (1) above may not be exercised in a case falling within section 61(5A)(b)(i) (fingerprints taken on previous occasion insufficient etc ) after the end of the period of six months beginning with the day on which the appropriate officer was informed that section 61(3A)(a) or (b) applied. (3) In sub-paragraph (2) above “ appropriate officer ” means the officer investigating the offence for which the person was arrested. (4) The power under sub-paragraph (1) above may not be exercised in a case falling within section 61(5A)(b)(ii) (fingerprints destroyed where investigation interrupted) after the end of the period of six months beginning with the day on which the investigation was resumed.