Template:Certification Table Entry/Sales/FrenchPeriod/doc
|This is a documentation subpage for Template:Certification Table Entry/Sales/FrenchPeriod.|
It contains usage information, categories and other content that is not part of the original template page.
This helper template calculates periods for French certifications for singles and videos, as stated in Syndicat National de l'Édition Phonographique#Singles
|Before November 1, 1988||Before March 1, 1991||Before May 1, 2005||Before July 1, 2009||Before 1 March 2013||Before 1 January 2016||Before 27 April 2018||27 April 2018 and onward|
Returns 0 if the data provided is not sufficient.