|This is a documentation subpage for Template:Certification Table Entry/Sales/DanishPeriodHelper1.
It contains usage information, categories and other content that is not part of the original template page.
Until June 2012 certifications were based on release data. Since July 2012 certifications are based on certification date. It is assumed that if no certification date is provided, or certification date is unclear, certifications are based on release date.
certyear– year of certification
certmonth– month of certification
Return values[edit source]
cert– use certification date
rel– use release date