Here are the changes as of 1 July:

• The manufacture, sale or distribution of single-use plastic produce bags, plates, bowls, and cutlery will be banned.
• Single-use plastic straws will be restricted. Some businesses or organisations will still be able to provide them to disabled people and those with health needs.
• A transition to compostable plastic produce labels by 2025 will begin.

More info at the Ministry for the Environment: https://environment.govt.nz/what-you-can-do/campaigns/bans-on-single-use-and-hard-to-recycle-plastic-items/