28.Section 2 of the Act adds to the list of the chief constable’s responsibilities in relation to the policing of Scotland, as set out in section 17 of the 2012 Act. It requires the chief constable, in addition to those existing responsibilities, to provide any assistance that the SPA may reasonably seek in order to support it in negotiating RPAs with railway operators. It also adds RPAs to the list of plans etc. which the chief constable must act in accordance with under section 17(4) of the 2012 Act in exercising his or her functions. As discussed above in relation to section 85J, it also requires the chief constable to participate in the railway policing management forum established by that section.