As part of the agreement, New Zealand First has four portfolios inside Cabinet and one outside. On 26 October 2017, Peters assumed the positions of Deputy Prime Minister, Minister of Foreign Affairs, Minister for State Owned Enterprises and Minister of Racing. On 19 January 2018, Prime Minister Jacinda Ardern announced that she was pregnant and that Peters would take the role of Acting Prime Minister for six weeks after the delivery, which happened on 21 June 2018. Peters managed the "day to day" business of the country while Ardern was on maternity leave—a first in modern politics. Ardern returned to the role of Prime Minister full-time on 2 August 2018.