For example, requiring people to be available for work for a certain number of hours but giving them no guaranteed minimum, thereby limiting their ability to seek employment elsewhere.
For farmers it's important to recognise this change will not affect genuinely casual working arrangements where both the employee and employer can engage with one another on their own terms with no expectation of regular or ongoing work.
The Bill also seeks to increase the length of paid parental leave available to employees and the self-employed. This is the second Bill being debated at select committee that seeks to increase parental leave.
The other is a Bill in the name of Labour MP, Sue Moroney which passed its first reading.
The Government's Bill seeks to increase paid parental leave to 18 weeks in 2016 whereas Moroney's Bill will take it further to 26 weeks. Moroney's Bill appears to have the numbers but Bill English has warned he may use his financial veto to stop it going through.
Lastly, there is another members' Bill, from Labour MP David Parker, that also passed its first reading before the select committee.
This Bill, if passed, would provide for a minimum rate of remuneration, at least as much as the minimum wage, to contractors in prescribed sectors.
While agricultural contractors are not listed in the Bill, it will affect forestry contractors and those in construction, two industries which farmers will often engage contractors.
Federated Farmers is taking a close interest in these developments and will work to make sure the interests of farming are protected.