Template:Certification Table Entry/Sales/GermanPeriod/doc
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This helper template calculates periods for German certifications, as stated in w:BVMI#Gold and Platinum certification awards (Timeline)
It returns:
| Before September 24, 1999 | Before January 1, 2003 | Before June 1, 2014 | After June 1, 2014 |
|---|---|---|---|
| 1 | 2 | 3 | 4 |
Returns 0 if the data provided is insufficient