Faced with what they called a back-door ban of San Jose’s collectives, the barely month-old Citizens Coalition for Patient Care (CCPC) turned in more than 47,000 signatures to the city clerk last week, well over the 29,653 signatures needed for a referendum against regulations the City Council passed in September. James Anthony, CCPC chairman, said the organization also registered nearly 8,000 new voters and raised over $200,000 from supporters. The group may need both on their side, as Mayor Chuck Reed proposed raising the Measure U tax on collectives from 7 to 10 percent to cover potential election costs for the referendum.