In your admin panel, you have a section called "Company Profile" In there you can set the responsible at your library for e.g. IT and Accounting. It's also in here you will have to put in your bank information.
You can find a text-based and a video-based guide below.
Text:
- Log in to your admin panel. (admp.princh.com)
- In the menu, go to "Company Profile".
- You can now change and add your bank information.
Video: