This is the "Project STSV additional" template. It should be called in the following format:

{{Project STSV additional
|STSV type=
|STSV type anders=
|STSV thema=
|STSV thema anders=
|STSV methode=
|STSV methode anders=
|STSV focus=
|STSV aanpak=
|Address=
|House number=
|Postal code=
|City=
|Hyperlink=
|Contact=
|Phone text=
|Mail=
}}

Edit the page to see the template text.