(1) Property seized under section 303J may be detained for an initial period of 6 hours.
(2) Property seized under section 303J may be detained beyond the initial period of 6 hours only if its continued detention is authorised by a senior officer.
(3) If the continued detention of property seized under section 303J is authorised under subsection (2), the property may be detained for a further period of 42 hours.
(4) Subsections (1) to (3) authorise the detention of property only for so long as a relevant officer continues to have reasonable grounds for suspicion in relation to that property as described in section 303J(1) or (2) (as the case may be).
(5) In calculating a period of hours for the purposes of this section, no account shall be taken of -
(a) any Saturday or Sunday,
(b) Christmas Day,
(c) Good Friday,
(d) any day that is a bank holiday under the Banking and Financial Dealings Act 1971 in the part of the United Kingdom within which the property is seized, or
(e) any day pres
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