[latch]

Some simple research into NZ law brings up a fairly well organized page about the minimum rights: http://www.dol.govt.nz/er/minimumrights/index.asp

Of interest, the Break entitlements doesn't cover anything relevant. However, the Health & Safety section seems relevant (IANAL) and then there's this beauty: http://www.dol.govt.nz/er/starting/relationships/goodfaith.a...