National will pay for its $14.6 billion tax plan by taxing foreign property buyers, reinstating the commercial building depreciation tax, and taxing offshore online gambling operators.
It's released the details of its "Back Pocket Boost" plan - which would shift income tax brackets for inflation, and increase or expand a range of tax credits.
Average-income households with children would get around $250 a fortnight.
A minimum wage worker would get up to $20 more.
The plan would also be partly be paid for by cuts to back-office functions at government departments, reducing the use of consultants, and a climate levy.
Kathryn speaks with RNZ Political Editor Jane Patterson.
