Maori Party MP Te Ururoa Flavell is confident his private members bill to give MPs the option of also swearing allegiance to the Treaty of Waitangi get enough support to become law.
The Oaths and Declarations (Upholding the Treaty of Waitangi) Amendment Bill will give MPs taking any oath in Parliament the choice to include acknowledging the treaty.
Mr Flavell says the principle identifies the Treaty of Waitangi as New Zealand's founding document.
He says the Maori Party has lobbied for the last six years to have the treaty recognised during the opening procedures of Parliament.
Mr Flavell says an affirmation to the treaty is not inconsistent with any form of allegiance to the Queen.