Maybe Barnesy was not "current".
Currency (with its requirements) is 120 days MAX - full stop.
Proficiency check is 12 months MAX 10 months MIN. For flexibility.
You could delay your proficiency check only to the max extent of 14 months or less to 12 months and it is not cumulative.
Currency - see above.
As to -
The currency for NVG in NZ is 120 days but, if you renew your currency within 60 days of its expiry (ie before it), you can retain the original expiry date - that means a pilot could be classed as current not having flown on NVG for 6 months!!!!!
Tain't so.
But if you came down here Crab you probably have to pass an Air Law exam so that would set you straight.