Most of the major telcos have removed data caps and the possibility of any extra charges based on usage.
See the links to those major companies listed below if your staff or students working from home need further support with this.
SPARK – https://www.spark.co.nz/help/covid-19/
“Removing overage charges for customers who are on data-capped broadband plans, so they won’t have to worry about paying extra to stay connected. This applies to both small and medium business and consumer customers;”
VODAFONE – https://news.vodafone.co.nz/covid-19-care
“The removal of data caps from data-capped Broadband plans for consumers and small to medium sized businesses until at least the end of June 2020”
VOCUS/SLINGSHOT – https://help.slingshot.co.nz/hc/en-us/articles/900000386943-Our-action-against-COVID-19?_ga=2.224375707.1878754814.1585097493-87562686.1585097493
“We removed all the data caps from our plans to better enable you to work from home during this time of social distancing and self-isolation.”
2DEGREES – https://www.2degreesmobile.co.nz/help-and-support/mobile/your-account/covid-19/
“Any customer who was on a limited data plan on or before Friday, March 20 will now receive unlimited data through until June 2020.”