Immigration New Zealand's (INZ's) visa processing centre in Crystal Plaza in Cathedral Square is closed until further notice following Tuesday's earthquake.

People whose visas are about to expire should call the INZ contact centre (0508 55 88 55) for advice as to where to send their applications.

People whose passports are being held by INZ in Christchurch pending extension of a visitor visa or other visa and who now wish to leave New Zealand should call the contact centre.