(1) For the purpose of preserving, searching for or gathering evidence, a police officer of or above the rank of inspector may declare any public place or other place to be a crime scene if (a) the officer reasonably believes that it is necessary, for that purpose, to exercise powers in section 63A(1) or to exclude persons from the place; and(b) the officer reasonably believes that (i) an offence or a crime has been committed at or near that place; or(ii) there is evidence at that place that is relevant to an offence or crime.(2) A police officer may establish a crime scene in any way that is reasonably appropriate in the circumstances.(3) The police officer who declares a crime scene is to put the declaration in writing as soon as practicable after making it and is to give a copy of the declaration to (a) the owner or person lawfully in possession of the place to which the declaration relates, if the place is not a public place; and(b) the District Police Commander responsible for the relevant region.(4) A declaration of a crime scene remains in force for 7 days unless it is sooner revoked.(5) A revocation of a declaration of a crime scene (a) may be made by a police officer of or above the rank of inspector; and(b) is to be put in writing as soon as practicable after it is made and a copy given to the persons who have been given a copy of the declaration under subsection (3) .(6) Before a declaration of a crime scene lapses or is revoked, a police officer of or above the rank of inspector may re-declare the place to be a crime scene.(7) A re-declaration of a crime scene under subsection (6) may be made one or more times and subsections (3) , (4) , (5) , (8) and (9) apply to a re-declaration as if it were a declaration under those subsections.(8) The owner or person lawfully in possession of the place to which a declaration of a crime scene relates may appeal against the declaration to the Magistrates Court (Administrative Appeals Division).(9) The Magistrates Court (Administrative Appeals Division) may confirm, amend or revoke, or add conditions to, a declaration of a crime scene.