Yes this was the statement by the franchise official that only portion of the salary of workers which exceeds the minimum payout of the Netherlands can avail this benefit and convert it to bitcoin.But at current this is only for Domino's worker who are working under their subsidiaries.The salaries of workers differ like Manager and pizza maker have salary deviation but whatever is exceeding minimum wage rate can be converted to bitcoin.

This is revised pay scale for Netherlands I found on Google:



But it sounds interesting that they can convert extra income to bitcoin to generate extra huge profits for them in the long run if they hold it.