These articles will give you a very in depth understanding of the Foreshore and Seabed Act 2004. You are not expected to read these, but for those aiming for Excellence I highly recommend it.
The Foreshore and Seabed Act and constitutional change
Māori Customary Rights to the Foreshore, Seabed and Fresh Water in New Zealand
Māori Customary Rights under the Foreshore and Seabed Act 2004
The "Radical", the "Activist" and the hegemonic newspaper articulation of the Aotearoa Foreshore & Seabed conflict