Online document attestation services: affidavits, statutory declarations and other legal documents. This service continues to be offered in line with temporary legislation. See notes below:

The NZ government has continued certain temporary legislation, including the Epidemic Preparedness (Oaths and Declarations Act 1957) Immediate Modification Order, by the promulgation of the Epidemic Preparedness (COVID-19) Notice 2020 Renewal Notice 2022, which provides that the principal Epidemic Preparedness (COVID-19) Notice 2020 shall not expire until 17 June 2022 unless expressly revoked by notice in the NZ Gazette before that date. It has not been revoked at the time of writing on 16 April 2022 .
Here’s a link to the legislation:
https://gazette.govt.nz/notice/id/2022-sl842