person who he has reason to believe is committing, or has on that occasion committed, a fixed penalty offence, he may give to that person a fixed penalty notice. The offences for which a FPN can be issued are those prescribed for the purpose: under the Salmon and Freshwater Fisheries Act 1975, under the Salmon Act 1986, under or by virtue of regulations or orders made under section 115, 116 or 142 of the Water Resources Act 1991, or under section 211(3) of the Water Resources Act 1991, so far as relating to byelaws made by virtue of paragraph 6 of Schedule 25 to that Act. The means by which a FPN shall be paid, and associated provisions, are contained in section 37A of the Salmon and Freshwater Fisheries Act. General A water bailiff and a person appointed by the Secretary of State shall be deemed to be a constable for the purpose of the enforcement of the Salmon and Freshwater Fisheries Act 1975, or any order or byelaw under it, and to have all the same powers and privileges, and be subject to the same liabilities as a constable duly appointed has, or is subject to by virtue of the common law, or of any statute. Uniform and equipment The production by a water bailiff, or a person appointed by the Secretary of State, of evidence of his appointment (e.g. a warrant card/ID card) shall be a sufficient warrant for him exercising the powers conferred on him by the Salmon and Freshwater Fisheries Act 1975. Water bailiffs (sometimes called "fisheries officers" or "fisheries enforcement officers") are generally uniformed. This uniform consists of: green cargo trousers green t-shirt/wicking shirt green jacket outdoor boots green baseball cap. The uniform is identified by "Environment Agency" and "Fisheries Officer" patches. Some water bailiffs have been issued with stab vests, expandable batons and handcuffs as a workplace safety measure. Some wear Airwave radios, which can communicate with other emergency services. Most uniforms also include an identification number (usually a combination of letters and numbers), similar to a police collar number. They may carry other useful equipment, such as radios, torches and pens. Police constables A police constable whose services are provided to the Environment Agency under section 25 of the Police Act 1996 shall have all the powers and privileges of a water bailiff. Volunteer water bailiffs Volunteer water bailiffs (VWB) have been used