"Tiqueteros" were being paid commissions of 50 pounds for each holidaymaker who made a claim.
Five people, all Britons, appeared in court in Palma on Thursday. The alleged leader of the organised group had her passport withdrawn.
Animal-rights groups have given the changes to the bull-run some qualified support but there are those who would prefer it to be abolished.
The PP is insisting that the mayor, Antoni Noguera, publicly condemns this latest example of anti-tourism.
Only one of the five tour operators appears unconcerned about the tourist tax rise.