B2B partner
Description
A B2B partner is a third party (e.g. a company, a university, a city...) that has a B2B contract with the PTO.
Example
The university of Ghent wants to bear fifty percent of the cost of seasonal bus passes for its students and its employees. To do so, the university of Ghent has to become a B2B partner and enter into a B2B contract with the PTO.