"The focus that Stephen Joyce will have on Novopay is going to be really good and it will help move things forward. There is always a lot of attention on anything to do with education and that's fair enough," Mr Foss said.
"There needs to be more resource put into it [Novopay] of course because it hasn't delivered to expectation. So it's correct, absolutely, to have a senior minister focus on it."
Mr Foss has been assigned Minister of Consumer Affairs, a portfolio which will link in with his existing responsibilities as Commerce Minister. He also remains Broadcasting Minister and Associate Minister for ACC.
Mr Tremain said he realised council reorganisation was a hot issue in Hawke's Bay but he wouldn't be involved in any debate as the new Local Government Minister.
"People know my position on that debate around amalgamation, I've been very front of centre [in support] on that one. But now as the Local Government minister I Novopay costs Foss;
Tremain moves up
Hand-picked for posts, p7have to take a step back from that debate because it is not appropriate for me to be taking a position on that now," Mr Tremain said.
"It is a local issue and I am stepping back to let it run its course."
Mr Tremain remains Internal Affairs Minister and in the key role of Associate Minister of Tourism, working with the Prime Minister.
He drops the Civil Defence portfolio in the latest Cabinet reshuffle.
"It's a real privilege to be given a larger challenge than previously, however, I must say I enjoyed Civil Defence and I will be sad to leave that one."
Ms Kaye has also been given responsibility for Food Safety, Civil Defence, and Youth Affairs and will be Associate Immigration Minister.
Other promotions include making senior whip Michael Woodhouse Immigration Minister outside cabinet, returning Nick Smith to the cabinet, with Housing and Conservation, and elevating Simon Bridges from outside cabinet to cabinet with the Energy and Resources portfolio and Labour.
Cabinet ministers Jonathan Coleman and Amy Adams have been promoted in terms of cabinet rankings: Mr Coleman from 13 to 10 and Amy Adams from 19 to 15.
The big surprise in the reshuffle were the forced resignations of former Housing Minister Phil Heatley and former Conservation Minister Kate Wilkinson both from the cabinet to the backbench.
As expected, Mr Key has earmarked David Carter as the new Speaker to take over from Lockwood Smith when he resigns later this month to become the High Commissioner in London.
The changes will take effect from January 31.
Nathan Guy will take over Mr Carter's Primary Industries portfolio while Michael Woodhouse takes over Mr Guy's current responsibilities as Immigration and Veterans' Affairs.
National will elect a new chief whip at it next caucus meeting on January 29.