Small payments to speed up routine government action are treated as bribes: the Act has no exemption for them (unlike US law), so policies prohibit them and procedures address demands for them; payments made under duress to protect life, limb or liberty are likely covered by the common law defence of duress and should be recorded and reported (MoJ guidance paras 44 to 48).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.