If you would like to spilt your New Zealand Address fields in separated fields please see the below logic.
If either [UnitNumber] or [LevelNumber] are not blank then
1st Address line – [UnitType] [UnitNumber] [LevelType] [LevelNumber]
2nd Address line – [StreetNumber1] [StreetNumberSuffix1] [StreetName] [StreetType] [StreetSuffix]
If [UnitNumber] or [LevelNumber] are both blank then
1st Address line – [StreetNumber1] [StreetNumberSuffix1] [StreetName] [StreetType] [StreetSuffix]
If [PostBoxNumber] is not blank then
1st Address line – [PostBoxType] [PostBoxNumber]
If [RdNumber] is not blank then
2nd Address line – “RD” [RdNumber]
If either [Suburb] or [LobbyName] are not blank then
Second Last Address line – [Suburb] or [LobbyName]
Last Address line – [TownCityMailtown] [Postcode]