The National Party received a donations boost totalling more than $170,000 by five supporters in the last year.
Parties are required to declare donations of more than $30,000 made by the same donor within a year.
Since October last year, National has received payments of between $32,000 and $41,945 from five individuals.
The boost adds up to $173,645 and the individual donations were made by director of Barfoot & Thompson Garth Barfoot, Lady Judi Gallagher, Stonyridge Vineyard, Wayne Wright and Lewis Holdings.
The last such payment to National from an individual was $60,000 from the Gallagher Group in November last year, and before that, $40,000 from Harbour 5 Ltd in 2014.
The Green Party received $283,835.99 from the Estate of Elizabeth Beresford Riddoch in August this year.