at the premises (either with a responsible person or if that is impracticable fixed in a prominent position) giving particulars of the article or substance and stating that he has taken a sample of it, and if it is practicable to do so, give to a responsible person at the premises a portion of the sample marked in a manner sufficient to identify it. If an authorised officer takes possession of an article or substance found on the premises, he must leave a notice at the premises (either with a responsible person or if that is impracticable fixed in a prominent position) giving particulars of the article or substance and stating that he has taken possession of it. If in the exercise of any power an authorised officer enters premises which are unoccupied, or from which the occupier is temporarily absent, he must on his departure leave the premises as effectively secured against unauthorised entry as he found them. A person commits an offence if without reasonable excuse: he obstructs the exercise of any power, or he fails to comply with any requirement, being a person present on the premises, to provide an authorised officer with any facilities, information, documents or records, or other assistance, that he may reasonably request. The maximum punishment is a fine not exceeding level 3 on the standard scale. Enforcement of fire safety legislation In England and Wales Fire Safety Inspectors are given additional powers to firefighters in order to carry out routine inspections, investigate the commission of fire safety related offences and prohibit or restrict the use of un-safe buildings. They also issue other legal notices. Their powers are derived not only from the Fire Rescue Services Act 2004 but also Article 27 of the Regulatory Reform (Fire Safety) Order 2005, the Health & Safety at Work Act etc 1974, Fireworks Act 2003, and the Licensing Act 2003 including other pieces of legislation. Upon the granting of a warrant from a Magistrate, Fire Inspectors may use force to make entry into a premises for the purposes of securing evidence, investigating the commission of an offence or to make an inspection. Usually this is done with the Police in attendance. Any persons suspected of committing an offence are ordinarily placed under caution and invited for an interview under PACE conditions. Committing a fire safety-related offence includes summary and indictable offences which means for more serious