He also ran for the NSW Legislative Assembly seat of South Coast and received over 2,700 first preference votes – a +4% swing for the CDP.

[4] He, alongside Christian Democratic Party leader, Fred Nile, holds the balance of power in the New South Wales Legislative Council.

In 2018, after chairing a committee looking into the issue, Green, and the Christian Democratic Party introduced Australia's first anti-modern slavery bill to the New South Wales Parliament.

[12] Paul Green said: "The Bill paves the way for the appointment of the Anti-Slavery Commissioner, empowers government and commercial organisations to slave-proof supply-lines, and ensures a victim-centred approach for those who have fallen prey to this heinous crimes in our state.

"[13]Introduced into the Legislative Assembly by Premier Gladys Berejiklian and supported by all sides of Parliament, the Modern Slavery Bill 2018 passed the Third Reading stage in the Lower House on 6 June 2018.

[12][14] The Sydney Archbishop, Glenn Davies, was one of those to strongly support the bill, saying:“Human trafficking is an abhorrent form of modern slavery.

[28][29] In mid-2018, Green was invited to speak on the US-based Arabic Christian Network, AlkarmaTV,[30] that broadcasts to around 100 million people.