Three main statutes apply to corrupt activities. Collectively they are known as the Prevention of Corruption Acts 1889 to 1916. They are summarised in BIM43130 to BIM43140 with BIM43145 - BIM43150 explaining the territorial aspects. Expenditure which is within the Prevention of Corruption Acts is caught by ICTA88/S577A (1).
It is a common law offence for someone who has a duty to do something in which the public are interested, to receive a bribe either to act in a manner contrary to his duty or to show favour in the discharge of his functions.