There are currently two cellular networks, BellSouth and Telecom. Rental services are available on both for visitors. Banks are closed on Saturday. Tipping should only be used to reward exceptional service. For evening entertainment the same general guidelines apply, but one should avoid using the same clothes for both daytime work and an evening business meeting.
Few restaurants have a dress code.
Business customs practiced in the United States transfer well in New Zealand. It is common practice to make appointments well in advance. Corporate officers up to the most senior level are usually accessible and open to business discussions. Regulations and requirements for international travel may change at short notice. Before finalizing travel arrangements, you are advised to contact the appropriate diplomatic or consular authority.