Office have specifically limited the powers designated to PCSOs to maintain the distinction between them and police officers. Some PCSOs are attached to Road Policing Units, and British Transport Police PCSOs are deployed as part of station teams. As with many aspects of PCSOs, the specifics of each job description vary depending on the relevant force. Recruitment selection and training Recruitment and selection Police forces will recruit PCSOs through adverts placed in newspapers and on the Internet and by posters in public places. Some may use open days as a method of attracting applicants which is the same way constables are recruited. The recruitment of PCSOs has helped some police forces increase the representation of ethnic minorities among their employees. Unlike with police constables, there is no set selection procedure for PCSOs and the process varies between forces although section 38 of the Police Reform Act 2002 (the law that made PCSOs) requires that chief constables or Commissioners in charge of police forces have a duty to ensure a recruit "is a suitable person to carry out the functions for the purposes of which they are designated" and is "capable of effectively carrying out those functions". Generally, PCSOs will be selected through a process that involves: an application form, interview and fitness tests; a medical test; and security and background vetting. Welsh PCSOs must have basic abilities to speak the Welsh language. Training Having passed the application process a new PCSO then enters the training process. Unlike police constables, there is no set training procedure for PCSOs so the training given varies from force to force although section 38 of the Police Reform Act 2002 (the law that made PCSOs) requires that chief constables or commissioners to ensure a recruit "Has received adequate training in the carrying out of those functions and in the exercise and performance of the powers and duties to be conferred on him by virtue of their designation". The original PCSOs recruited in 2002 by the Metropolitan Police received only 3 weeks' training, which was criticised as too little. The training period was eventually raised, and new Metropolitan Police PCSOs are now trained for six weeks. Training in other forces takes between four and eleven weeks, with the length of training depending on how close the PCSOs' authority comes to that of a regular police officer. PCSOs are trained in a variety of tasks, including: radio