Part 1: Public Order Section 4: Offence of causing serious disruption by being present in a tunnel
Subsection (1) creates a new offence of "causing serious disruption by being present in a tunnel". An offence is committed where a person is present in a tunnel, their presence causes or is capable of causing serious disruption to two or more individuals or an organisation in a place other than a dwelling and the person intends that to occur or is reckless as to whether it will occur.
	Subsections (2) and (3) provide the same reasonable excuse defence as section 3.
	Subsection (4) provide for the maximum penalty for the offence, namely three years imprisonment on indictment or the maximum penalty a magistrates’ court may impose on summary conviction (currently 6-months), an unlimited fine, or both.
	Subsection (5) defines what is meant by a tunnel.
	Subsection (6) specifies that a "relevant tunnel" means a tunnel that was created for the purposes of, or in connection with, a protest. It also clarifies that it does not matter whether an offence has been committed under section 3 in relation to the creation of the tunnel.
	Subsection (7) defines what is meant by an excavation.
	Subsection (8) provides that this offence does not apply to tunnels that are in or are under a dwelling.
	Subsection (9) applies the same definition of a "dwelling" as in section 1.