User:Muhandes/Certification Table Entry/Sales/BelgianPeriod
This helper template calculates periods for Belgian certifications, as stated in the following source:
- [1] - certification until 2006
- [2] - certification from October 2007
- [3] - certification from 2009 (changed on April 2008 [4])
- [5] - certification from July 2018
There is no data for the interim period
It returns:
| Before 2006 | Before October 2007 | Before April 2008 | before July 2018 | from July 2018 |
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 |
Returns 0 if the data provided is insufficient