Dutch e-zine Emerce has an article on this topic (in Dutch).
Interpay, the Dutch payment processor, will end its Internet-cash register services to banks. This is the result of reshaping of the market where Interpay has no more direct contact with end-users of payment services but only with banks. In a similar move, the contracts for POS-switching services have all been migrated to banks. And now the Internet cash register services are stopped.
Interpay's customers, amongst which the Chambers of Commerce, some municipalities and some banks, will need to find alternatives. One of those is Ogone. But there are of course many more players in this market...