Template:Certification Table Entry/Sales/NewZealandPeriod/doc

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< Template:Certification Table Entry‎ | Sales‎ | NewZealandPeriod
Revision as of 07:44, 17 June 2016 by imported>John of Reading (Documentation adapted from Template:Certification Table Entry/Sales/DanishPeriod/doc; sources are discussed at Template talk:Certification Table Entry#New Zealand sales)
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This helper template calculates periods for New Zealand single certifications, as stated in the following sources:

It returns:

Before July 1978 Before January 1992 Before June 2007 From June 2007
0 1 2 3

Returns 0 if the data provided is not sufficient.