[1] As part of the settlement in the Nass River valley nearly 2,000 km2 (800 sq mi) of land was officially recognized as Nisg̱a'a,[2] and a 300,000 cubic decametres (1.1×1010 cu ft) (approx.
The agreement was signed on 27 May 1998 by Joseph Gosnell, Nelson Leeson and Edmond Wright of the Nisg̱a'a Nation and by Premier Glen Clark for the Province of British Columbia.
Then Minister of Indian Affairs and Northern Development Jane Stewart signed the agreement for the Canadian federal government on 4 May 1999.
[4]: 14 In response, the Canadian federal government passed a law making it illegal for First Nations to "retain counsel to pursue land claims".
On October 19, 2011 the Supreme Court of British Columbia handed down its decision upholding the constitutional validity of the Nisga’a Final Agreement.