Icons
The IHK web application “Certificate of origin – Verification website” uses streamline icons. The Streamline Icons run under the license CC-BY 4.0 and the author is “streamlinehq.com” (“Streamline Icons Core Line free Copyright © by streamlinehq.com”). Obtainable source: Free Core Line – Free Icons Set – 1000 customizable PNGs, SVGs, PDFs (streamlinehq.com). The “CC BY 4.0” license can be found at Streamline Free License | Streamline Help center (intercom.help).
Fonts
The IHK web application “Certificate of origin – Verification website” also uses the fonts “Source Sans Pro” designed by Paul D. Hunt (licensed under SIL 1.1 Open Font License) and “BloggerSans” created by Sergiy Tkachenko (licensed under Creative Commons 4.0 ).