If a constable has reasonable cause to suspect that a person has committed an offence under this Act he may require him to give his name and address, and if that person refuses or fails to do so or gives a name or address which the constable reasonably suspects to be false, the constable may arrest him without warrant.

This subsection does not extend to Scotland.

A constable may seize any article which he has reasonable grounds for believing to be or to contain indecent matter and to have been used in the commission of an offence under this Act.

In England and Wales, a justice of the peace if satisfied on information on oath that there are reasonable grounds for suspecting that an offence under this Act has been or is being committed on any premises and, in Scotland, a sheriff or justice of the peace on being so satisfied on evidence on oath, may issue a warrant authorising any constable to enter the premises specified in the information or, as the case may be, evidence (if need be by force) within fourteen days from the date of issue of the warrant to seize any article which the constable has reasonable grounds for believing to be or to contain indecent matter and to have been used in the commission of an offence under this Act.